love, and that is sun so loved. >> had a favor, saying that was another fine day on the field. that was very, very rewarding. >> and mary beth? probably the gift she sent her attorney is this heartfelt comment as we will get. >> well, she sent me a little token of her appreciation. a bumper sticker that read it is as bad as it gets, and they are out to get you. thought that was pretty fitting. >> that is all for this edition of dateline. i'm andrea canning, thank you for watching. yo for watching >> hello, i'm andrea canning. and this is dateline. >> a beautiful woman, at the heart of a generation old

mystery. a young mom, torn between her photographer husband, and her photographer lover, now dead in her own home. >> there was blood everywhere. >> but it would take years before dna science could advance enough to unlock the clues inside it. and then there was this diary. it also had a story to tell. >> everything she knew about him was a lie. >> a husband under suspicion. >> could not be more convinced there was more. >> a lover, subject of speculation. >> all of the sudden, he has a motive. >> after more than a quarter century, would this family get justice? >> hello, and welcome to dateline. she was a charismatic and talented young mother. when she died violently, her

family hoped for quick justice. but as years went by with nobody arrested or charged, i hope faded. what did not fade, small traces of dna evidence. more than two decades after the crime, could that evidence solve this case? here's keith morrison with, haunting images. >> boyd underwood was back. back here where he always belonged, probably should not have retired in the first place, now the buzz cuts and sharp suits all around him were a generation younger with their high tech gear and their fancy new anaheim police department, but who else had the experience to make sense of what was in here? this room of lost causes, so many cases gone cold. justice, denied. like this one about her, although god knows back then when they gave it to him, it did not look so hot.

>> are we sure we want to get involved with this, you know? hindsight, i'm sure that's what the thing i should've done. >> maybe not, but then boyd open that file. and what a story he found there, of the beautiful woman, the curious lies, and those strange books with their long ago private thoughts. but was he obsessed? should he have let it consume more than a decade of his life following him into retirement? the woman he found in there was kathryn, kit, as people call. her and certainly to an idolizing little sister named donna, she was something. >> everywhere she went, she was this bright smile that brought light into the room, and you gravitated towards her. >> donna and kit shared just about everything. >> she was just shining, just gorgeous. she is just kit. and there's a gawky little

donna, and she says come on, let's go have fun. >> and then, the fairytale, which began in the happiest place on earth, isn't that what they call it? it was 1974. kit landed a job at the it's a small world attraction at this new land, it is where she met -- who else? prince charming. >> it seemed like a fairytale. she was really happy. we were happy for both of them. >> his name was gregory, he was a foreman on it's a small world, and he was a gentle and easy. one of a kind. what he loved to cook was not so unusual, but he also loved sewing, and she liked that. also liked it when he told her about his college degree, his service in vietnam. and so the wedding in 1977 was magic. kit was happy. and before long, pregnant. first with elise, then breonna,

and then a career. kit studied home economics so she launched her dream to become a food stylist, which meant she was the person who made it all looks so wonderful in the ads. >> it's something i don't have an eye for, all of those girls look the same for me. but when you are a food stylist, it is your job to find the best. >> she was good at it? >> very. very. >> her sister still has food photographs she designed the for some of boyd underwood's detective buddies were born. these are published in the 1980s, by the l.a. times home magazine. and that is when the strange story began again. maybe it was the fact that she had been married for four years. was she bored? maybe it was close quarters, the long hours with the photographer, of the food she prepared. there was an affair. kit was in love, and she was catholic and consumed with guilt, and confessed it all to her husband.

>> she went to him and said, i've been with someone? >> yes. >> the very night it happened? >> that's what she told me. >> gregory seemed prepared to forgive. both still swore they care deeply for each other. but marriage is tough enough for two, there was not enough room for three. it was over. that christmas of 1982, kit's big brother joe o'connell saw how it was with the new guy. >> it was obvious they were very happy with each other. very, very happy. >> his name was henry, had his own photography studio. and donna dropped by one morning when kit was there. >> she was happy. she was in love. that was someone who treated her really good, and was in love with her. they made a great family. >> kit was bursting with plans, and announced she was moving to los angeles, from orange county to be closer to her food styling work. and then that weekend, it was january, 1983, decades later,

what happened that weekend, the mystery of it was in a file on boyd underwood's desk. and a family was thinking back, trying to piece together those incomprehensible events. starting with that first call. >> called at home, slowly before ten on saturday morning. >> did you pick up? >> no, i thought nothing of. it just gone for the day already, i missed it. >> she was supposed to come on saturday night, we never heard from her, she did not come. >> older brother joe remembers how she figured she was just busy with her move. from anaheim up to l.a., no cause for alarm. it was not until sunday night when they decided to check on her. >> so joe says he and the boyfriend drove down to anaheim to kit's house. >> there were lights on in the house where we could see, it's who we started to walk away thinking everything was fine. then, as we turned to leave and walk off the porch, we looked into the garage.

we saw her car. that is one panic started. >> it was a blur from that point on. everything was frantic. joe wrapped a jacket around his arm. he remembered getting ready to punch his fist through the window of the porsche. he saw him run around that. within moments, heard henry scream. henry had managed to get into the house through an unlocked patio door. he opened the front door. joe stepped inside. into a nightmare. >> i saw her, lying there. there was blood everywhere. she was dead. she was murdered. >> coming up. kits brother and boyfriend get grilled by police. >> was he questioned closely? >> we both were. >> when dateline continues. when dateline continues ♪ breeze driftin' on... ♪ [coughing] ♪ ...by, you know how i feel. ♪ if you're tired of staring down your copd,... ♪ it's a new dawn, ♪

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>> her head was almost gone. >> the case was old and cold, when he found it. before long, detective boyd was sucked into the puzzling mystery of what happened to the beautiful young food stylist in january, 1983. they told about boyd about finding the body, about having to tell their parents. >> one of the hardest things i've ever done, to call my mom and dad. to tell them what happened. i can still hear them crying. >> joe remembered how, having not heard a peep from kit on that weekend, he and kit's boyfriend drove through the sunday night dark take check on her. they found her in the dining

room, in a pool of her own blood. she was nude from the waist down and henry says, joe seemed to be direct. >> we were both fine, and going from the call. >> maybe kit's killer was out of control, to. the place was a mess. the tv, haphazardly placed near the front door of the speakers, ripped from the walls. a potted plant, all on the floor. the chaotic scene, her skirt and underwear pulled down like somebody had raped her, killed her, started to burglarize the house, then left before he was done. but, to the police back then, it looked phony. like this was staged. no sign of forced entry, just the rear sliding door, slightly ajar. the same entry that henry slipped through to find her body. back then, at the end of the weekend in january 83, police set out, right away, to interview people in kits and our circle, including henry. >> was he questioned closely? >> yes, we both wear. >> of course, detectives also

called gregory by then, kids a strained husband. >> i got a call that kitty was dead. >> more than a quarter century later, he said the memory still haunts him. >> i remember sitting at the table, shaking. >> a shiver? >> shivering. upset. >> in a flash, says gregory, his world flipped upside down after that call. as her estranged husband, he, too, was treated as a person of interest, of course. just like they did henry, police interviewed gregory. >> you didn't kill catherine? >> no. that woman was too beautiful. >> he had just seen kit that weekend, when he went to fetch their daughters for the weekend. a moment to living in his memory clearly he told us. >> i got a 10:00 in the morning to pick them up for a birthday party. we >> he and kit chatted, briefly, and they remember going back and forth on the

house, loading up his vw bug with presents for the birthday party. along with the girl's car seats, and overnight bags. >> we got the car, rearranged a bit, put them in, made sure the gate was closed, drove off, went to the party. >> by the time gregory had a chat with detectives the autopsy report came in and eliminated him as a viable suspect. it said malice, kit killed during pm hours on saturday. gregory had already taken the girls to a birthday party by then. so, if not gregory, then who? police wanted to know if gregory saw everything good usual that day. could someone have been were -- lurking, waiting for him to drive off? >> it was an mna all-star at the time? >> no. not -- not in the house. >> okay. you went back out to your car, in front? >> but the kids in the car. >> then what did you do? >> one back, close the gate.

got in the car and left. >> didn't go back into the house for anything? >> no. >> they made an agreement about that after they separated, said gregory. >> we made a policy of not going back. >> police poked around the crime scene. all they gleaned was, it looked staged somehow. no physical evidence to point, who would want to miss directed the police. except there was this one, curious, thing. a letter, and her handwriting, and the intended recipient was sitting right in front of them. >> coming up -- there was more than just a letter that may provide a clue in this case. there was a diary, too. >> everything she knew about him was ally. >> when dateline continues. line continues e wants and only pays for what she needs. she picks only the perks she wants and saves on every one! all with an incredible new iphone. act now and get iphone 14 pro on us when you switch.

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the benefit of 21st century technology, cold case detective boyd underwood, could see the murder of that beautiful young mother and anaheim hills, california quite possibly could have been solved. after all, there was blood all over the crime scene. probably that blood had a story to tell. but, back in the winter of 83, dna was still science fiction. the cops back then worked a few leads they had the things they might hope would produce some

circumstantial evidence, or something. like the unopened letter, lying on the dining room table. she had written it to her ex's -- estranged husband. >> i'm ready to go forward, it says. i don't want to be disgruntled, or angry. i want you to know, i forgive you for everything, and ask your forgiveness for the deep pain i put you through. >> so, pain forgiveness, but for what? gregory himself offered one possible answer. his dream, while they were married kit to, was the launch of business. food photography. he, and aspiring photographer, would shoot, it she would profit. >> it would be a home based business. >> why wasn't it? >> she decided to go up before i was ready, and that is when she started to do food photography for him. >> oh yes, henry. the other photographer.

>> so she did, exactly, what you wanted to do, but it was someone else? >> yes. >> and you two would work together? >> but that never happened? >> it never happened. >> it never happened, but you already know the other thing that happened. the affair with henry, the guilt, kit's confession? he wrote about it in his diary. this is from august 1st, 1881. kit had an affair with henry. the act does not diminish my love, or devotion to her. i am in love with a special person, and subpoena -- fund myself surprisingly acceptable to this whole situation. now, let's get on with our, love our life, and anyone who will join us. as long as the joiner does not try to hurt what kit and i have. >> it was like you are accepting the idea that there could be two men in this relationship. >> it wasn't so much as accepting, it was going, okay, this happened. she is a wonderful person, i'm

still attracted to her, but we need to move on. >> why? >> well, we moved on, but separately. >> separately, because of henry. but also, because of that diary. kit's sister, donna, knew she kept one. remember asking kit about it. says >> she always, no, no, that's his private work. >> but there was, and the temptation one. gregory was out of town. kit read those private pages, and discovered, the man she was married to had lied to her. whopping lies, about graduating from college about serving in vietnam. now, any thought of saving the marriage was done. and, caught in his lies, gregory took refuge in his diary. this is what he wrote on september 8th, 1982. >> all of my deceptions have come to light. no service in vietnam, did not

graduate from college, and a few more to cover an escape route from this relationship. >> why would you have said this? >> again, it goes back to the sky who liked to sell, who didn't fit in, who doesn't land very well, wasn't invited to parties, so i decided, i would embellish my life. all of a sudden, people like to me. >> but, there's more. as kit read her husband's diary, she discovered a list of women's names. were these women that he had slept with? gregory denied it, saying, these are the names of women he admired. he had never slept with any of them. but -- >> how do you read someone's diary and say, everything you knew about him was a lie? >> months later, kit filed for divorce. when she was murdered, only six days before the divorce was to be finalized, it wasn't long before her family pointed the finger at gregory.

but, the police just did not have enough evidence to arrest him. >> somebody left the house with blood on them. i don't leave the house and then disappeared for hours, i went to a birthday party. >> and you said he had no blood and, you because people would've seen it? >> no blood, no cuts. >> these are pictures from that birthday party. the man at the edge of the picture there in the red plaid is gregory. the host of the party said gregory was one of the first guests to arrive, and was as normal, helpful, happy, self. still in the weeks and months that followed, the suspicion took its toll and gregory, finally, moved. left southern california for spokane washington, with his girls, naturally. gradually, the investigation petered out a case went cold. but, as the years past, the o'connell's relinquished hope that there would never be justice for kit. which, of course, is where boyd underwood entered the story. snooping through that dead file,

those forgotten private lives. if he just dug a little deeper. what secrets might he find? >> old evidence, plus new science, yielding some clues. coming up -- >> all of, that taken to gather, certainly, ratchets up the case. >> you start to be more convinced that people are out that crime scene. >> when dateline continues. n dateline continues ments to help unlock humanity's full potential. these are the greats: people living with, thriving with — not held back by — disease. they motivate us to fight diabetes and obesity, rare diseases and cardiovascular conditions, for generations to come. so, everyone can meet their moment. because your disease doesn't define you. so, what will? novo nordisk. driving change. -that's it? -yeah. progressive's homequote explorer makes it easy to compare home insurance options. man...i told my wife i'd be in here for hours.

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stories this hour. the federal bureau of prisons, confirming ted kaczynski, the man known as the unabomber, serving with a life of the possibility of parole, and the north carolina presents all. excuse recipe for series of bombs and killed three people. pope francis, skipping sundays blessing to heal from abdominal surgery. they saw the blood in imaging

tests indicate that the 86-year-old post recovery is proceeding in a normal manner. now, back to dateline. >> welcome back to dateline, i'm andrea buchanan. in 1983, a young mother of two, brutally killed in her southern california home. the investigation went cold, until more than two decades later. a curious detective, hoping new technology would crack the case. will there be enough evidence to solve the mystery? here, again, kyiv -- keith morrison with haunting images. >> gregory wanted a fresh start. he was now the single father of two small daughters. bringing them up among suspicious in-laws in the town where their mother was murdered it was increasingly, unappealing. so, gregory set up house here in eastern washington, in a middle class home, in spokane. and, he went about organizing a

normal life. he was, as generally agreed, an excellent father to his two little girls. >> we had security, they had a parent who was involved. >> and for himself? gregory went back to his first love. taking pictures. he set up a studio in downtown spokane. photography by gregory. kits dreadful death south in california, faded into history. except for a family, kit's family right or wrong, that her killer was, in fact, gregory. they had, after all, witnessed the shouting, and shoving matches, the acrimony preceding the breakup, and the murder. >> in 1985, pretty much, we knew that he got away with it. >> did you give up on the idea that someday, there would be justice? >> sure, and this world, i did. >> it was 1999, long after the family gave up, when boyd

underwood came around. >> one of the administrators asked me if i would look at this case in particular. if anyone could break this case, maybe boyd could. >> anaheim cops, since 1964, rising to homicide detective, assigned to protect president nixon during the 68 campaign. he heard about the murder, back in 83, but by then, he had gone to work at the d.a.'s office, or he retired, in 95. what was he doing snooping through this old file, years later, in 1999? simple, he was not the retiring type. he came back to work in a new unit in the orange county office, trackers, they call it. the mission, revisit cold cases, and close them. here he was the last faint chance for justice, probably going nowhere. but then, something caught his attention. a piece of evidence, found in 1983 in the closet. a plastic bag. >> at that time, they

identified the evidence on the plastic bag as being human blood. it was not the same type of blood from the victim. >> in fact, in the early 80s it is all science could tell them. the blood on the bag was a different type than the victims. but silently, patiently, the dna waited. in 1999, it was a whole new scientific world. >> in 83, they had obtained a blood sample from the husband. we got a match and it was his blood found in the plastic bag. >> inside of the closet? >> inside of the closet. >> though, of course, that was also gregory's closet for four years. he had only been out of the house for a few months. boyd decided to have all evidence retested, and, now, gregory's dna turned up in several places. a tiny spot on the closet doorknob, on a rear sliding glass, and, in a powder room sink. but the amount was miniscule. so, perhaps, it meant nothing.

gregory could have left it there when he lived in the house, except -- >> the bathroom cenk had her blood, and his dna mixed. on the sliding door, there was a mixture of her blood, and his blood. you start to get more convinced that he was part of the crime scene. >> then he listen to the old police interviews from 1983, and something jumped out. on the day that gregory saw kit picked up his girls, he said, he put them in their car seats, then went back towards the house to close the front gate. but when he returned to the car, he told detectives, his elder daughter asked him a question. >> what took you so long, daddy? i said, to close the date and she said, did you have a fight with mommy? >> i'm thinking, why would he want to put that in there? >> gregory said, he never went back into the house after strapping the girls into the car. but his daughter complained he

was gone too long, maybe, he did go in there. taking the time to kill kit. overall, decided by, it was enough evidence by 2001 to warrant a visit with gregory and spokane. >> are you willing to talk to us about the death of your wife catherine? >> he was, years earlier, perfectly cooperative. letting them search through his house. so boyd and colleagues, offered gregory a chance to confess. >> tell us how it happened. what happened when he went back to the house? >> i don't recall going back in the house. >> come on, greg. >> i don't. >> how can you not? how can your blood be mixed with her blood, and you not recall going back to the house? how could you not remember? you can see how weak that is? how can your wife's head be almost severed from her body and you not remember >> i mean,

you discharged me. >> but boyd did not charge him, couldn't. the prosecutor told him, he just did not have enough to make a case. the interview, and search, did produce a few diaries. gregory never threw them away, but it was not enough. >> did you think about giving up on it? >> no. >> there is something there? >> i always thought so. i don't think we would never give up. >> summer of 2007, boyd and one of his guys felt like they had a case, but how could he sell it to the d.a.'s office? then, well, boy it has been around for a long time. more than dna science has changed. >> i call them propeller heads. there are a step or two ahead of me with computers. he suggested, when you do a powerpoint? i said, what is a powerpoint? >> he learned, fast. and, finally, the evidence

assembled in the power point presentation, bits of gregory's blood in the house, his and kit's dna mixed on the rear slider in the bathroom sink, and gregory's diaries persuaded the dea. still, to solidify their case, it might be wise, the dea decided, for him to pay gregory one last visit in spokane. see if he could turn up fresh evidence. perhaps, with luck, to punctures gregory's consistent denial he went back into the house after putting their little girls in the car, that long ago saturday morning. so, in 2008, 25 years after the murder, he took one last shot. two colleagues, conducting the interview, using an old, if an lovely tactic, perfectly legal, mind you. they told gregory a lie. it was, in more polite parlance, a ruse. >> give us something here. give us an opportunity to help figure this out. >> the detective told gregory that his dna was found on the

waist band of her tights. he pushed gregory to explain, how could it have gotten there? remember, it was not true. his dna was not found on her clothes. but, listen to what gregory says. >> what really happened that day? what happened when you went back in there that second time? why did you go back in? >> i took the kids out of the car and forgot the birthday present. >> what happened when you got back in the house? that's where the crux -- >> nothing, i picked up the president and. left >> there, you heard it. gregory changed his story. just enough. he put himself in the murder scene, alone, with kit. and with that, a quarter century after the murder of his estranged wife, gregory was arrested, and charged, with first degree murder. boyd called kit's brother, joe. >> i think he said, we've arrested him, and i did not know what for. honestly. i had given up. why did you arrest him? >> why indeed.

dna from an uncertain time. a few ambiguous comments, in a private diary. a cop's trick, producing a slightly edited story. was it anywhere near enough? maybe not. >> coming up -- the focus was about to fall on the other man in kit's life. >> if the relationship was not working out, he was going to lose her. all of a sudden, he has a motive. >> when dateline, continues. dateline, continues. non-drowsy claritin-d knocks out your worst allergy symptoms including nasal congestion, without knocking you out. feel the clarity and make today the most wonderful time of the year. claritin-d. your best defense against erosion and cavities is strong enamel- nothing beats it. new pronamel active shield actively shields the enamel to defend against erosion and cavities. i think that this product is a gamechanger for my patients- it really works.

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here he was, no older, grayer, sort of, hearings warrior pierces in court. gregory, mild mannered photographer, said at the defense table, and listen to the prosecution accuse him of murder. a lovely young wife, who rejected him. but, was this going to be easy? no, it wasn't. >> i was convinced by the evidence, this case was prove-able. >> assistant dea, dan wagner, believed in the case. mostly, because he believed in science, in the dna. >> it just waits in a locker room, in the dark, waiting, and then this modern technology brought it out.

it has a story to tell. >> they showed the jury tiny drops of gregory's blood, on a closet doorknob, inside of the closet. a mix jury of gregory's dna, and kits blood on a sliding door. the pièce de resistance the one piece of evidence according to the prosecution that link to gregory, is a came out of a bowl of a bathroom sink. kits blood, mixed with gregory's dna. >> given the separation that he had been living in the house for months, there was no innocent explanation for his dna remaining in that particular spot of the sink. >> then, the medical examiner, performing kits autopsy, all those years ago, took the stand. the one who signed off on the autopsy report. saying, kit was killed during pm hours. now, a quarter century later, he told the jury, he had reexamined his report, and decided, it was possible that kim was killed as early as ten a.m., when gregory was at the house.

as for motive, there were these diaries. the ones obtained by detective boyd underwood. >> when i first saw them, they were downstairs, and what i would call, a storage room. >> boyd sat in the witness stand, as prosecutor wagner read through gregory's diary. painting a picture of a rejected man. who seemed tormented by the possibility he could lose his children in the divorce. >> the hardest part is saying goodbye to my girls. not tucking them in. this would be devastating. it's almost incapacitating. >> the diaries were important. they gave us some insight into the defendant's mind. particularly how he was attached to his daughters. more so than the average parent, we would say. >> there was more in the diaries, said the prosecution. gregory confessed, in this private list of, that there was violence. the last incident, only weeks before kit was killed. >> goodbye kitty. kitty and i had a fight this evening. she struck me, i lost my temper,

and struck back. >> then, there was the police interview, in which, reacting to a blatant police lie, gregory appeared to admit, he was in the house, with kit, alone, on the day of the murder. so so the prosecution, opportunity, motive, and dna, all pointing to gregory as the murderer. but, is that evidence enough? >> when you get into the details, then you see the problems that were there. >> not nearly enough, said defense attorney, jack early. that vaunted dna sample of gregory's blood? police had a storage problem with it. >> when did you discover that his vial of blood had broken in evidence room and, spilled on other items? >> i don't think i was aware of that until, maybe, 1999, or 2000. >> gregory's blood sample had leaked, on to some of the evidence packaging, and that, said the defense, hopelessly compromised the integrity of the dna.

besides, hadn't gregory lived with kit for almost five years? of course his dna would be in the house, said the defense. and, would have mixed with his wife's. but the one place gregory's dna was not found, said the defense, was anywhere on kid's body, or clothes. something you would expect to find, if he had slit her throat, and pulled off her clothes. besides, said the woman who threw that birthday party that gregory went to after seeing kit. he, certainly, didn't look like he just killed someone. >> now, when he was there, did you notice any injuries on mr. morton? >> no. >> did you notice any blood on him? >> oh my goodness, no. >> was there anything unusual about him at the party? >> no, not at all. >> but if not gregory, then who was the killer? well, wait for it. through this testimony, the defense made a stunning implication.

>> did she tell you, things were not working out with someone named henry? >> i believe, she indicated that there was some problems with him, yes. >> henry? the man that kit left gregory for? what motive could he possibly have had? now the implication got bigger. >> if the relationship was not working out, and he was going to lose her, suddenly, he has a motive. it is very important that he moves to donna, the new sister, shortly afterwards. >> well, yes, it is true, that henry and kit's sister donna did fall in love after the murder, donna wrestled with her emotions in the beginning, she says. >> i don't deserve this. that's my sister sky. it was weird, but when it's him and i, it's not, because it's normal. >> they married, one year after kit's murder. the defense saw an opportunity, and pounced. remember the rear sliding door

that henry went through to find kid's body? henry left the door slightly ajar, the same way the killer had, the defense pointed out. >> let me ask you, you only partially closed doors when you go through them? >> i do not remember closing the door, so, if that is how far i closed, but that is how far i closed it. >> there is as much evidence, as much things about henry, as there is about greg that do not make sense. >> ludicrous, so the prosecutor. pointing out, henry had an alibi, anyway. he was a two hour drive away in san diego, the day of the murder. so, now, the defense laid its final card. gregory mordick himself. >> did you kill your wife? >> no. >> why put gregory on the stand? one main reason. to answer, for that final police interview, where he reacted to that ruse, by appearing to change his story about going into kits house after he picked up his kids the day of the murder. >> after you put brianne, and

close the gate, did you ever go back into the house? >> no. >> what did you think when they told you about your dna being found on her clothes? >> i was going, there is no way, i did not touch kitty that morning. >> he was shocked, confused by the detectives ruse, the defense told the jury. but what about the diaries, asked prosecutor wagner, and his cross-examination? >> the diaries outlined a real motive for murder. >> you wrote at various times, it was almost more than you could bear to think about that separation. >> i'm sorry i wrote it down. >> why? >> because it has come to bite me now, instead of being true feelings of the time. >> i've never been charged, had he just thrown the diaries away. >> why did you keep them? >> there is nothing in there, except for my history. our history, together. what was to be thrown away? >> well what they did was that look back and said look, he was involved in these violent incidents, and in fact,

admitted he was violent in his diaries, so he must -- of >> yes, and kitty started every single one, unfortunately. i got tired of being hit, so i grabbed her arms. and i'm the bad guy. >> well, was he? after nearly one month of testimony, and 26 years since kits murder, the jury retired and guilty, or not? hard call. >> coming up -- the jury returns, and for the prosecution it's -- >> it was a gut punch, all the way through. >> when dateline continues. n dateline continues s a1c? it's down with rybelsus®. my doctor told me rybelsus® lowered a1c better than a leading branded pill and that people taking rybelsus® lost more weight. i got to my a1c goal and lost some weight too. rybelsus® isn't for people with type 1 diabetes.

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here, with the conclusion of haunting images, is keith morrison. >> in the fall of 2009, a jury, in santa ana california, puzzling over the case of photographer, gregory mordick. charged with killing the wife that left him, a quarter century earlier. the case, was largely, circumstantial. a smidgen of, possibly, tainted dna. a story that seemed to change, and those sad, possibly desperate scribbles in a private diary. in a hallway, outside of the courtroom, kit's family paced, nervously. her little sister, donna, holding out hope. >> there is no way, they will be back.

>> in fact, it was days, but the jury did come back. family members, bracing themselves, and my understanding is that the jurors are, at this point in time, hung, is that right? >> that's correct. >> they were hung. not just hung, split, 66. >> 66 was a gun punch. all of the wind went out. >> he recovered his poise, told the judge, he tried mordick again. >> i was attached to the victims family, in some respect. i found certain duty to them. >> september 2010, the o'connell's filed into court. prosecutor wagner, sticking to the science, gregory's dna in the house. how could his dna be present when he had lived in the home for almost two months? >> i lived there for four and a half years. >> but you had been away for months. >> two months. two months will not eradicate all of your dna. >> but she claims of the house once in a while, yes, probably. >> did she? >> kitty was a terrible house cleaner.

even the police said they hadn't seen such a filthy house. >> the defense, it turned out, had been busy. they had retested the blood evidence on the rear sliding door, the one showing a mixture of kits blood, and gregory's dna. and, the result was stunning. gregory, and his daughter, shared an identical blood protein. >> we were excited, because we were hoping one. as it ends up, both daughters had that. >> so, it was impossible, defense attorney jack early said, to be 100% certain it was only a mixture of gregory's dna and kits blood on the slider. it could have been a mixture of the entire family, piled on, all over the years. then, after weeks of testimony, another jury left the courtroom, and the waiting began again. >> based on the results of the first trial, i did not have the same sense of confidence the second time. >> gregory, however, was confident, as thanksgiving weekend approached. >> everybody was going, hey, what's going on over the

weekend? >> then after two days, the jury rang the bailiff. a verdict. >> we have the jury, and the above, entitled the action to find the defendant william gregory guilty of murder in the first degree. >> gregory, before the shock set and thought he simply, heard it wrong. >> i just couldn't believe i didn't hear the word not. i kept looking at the court clerk going, there's a word missing. >> but when prosecutor dan wagner finally heard those words -- >> it's a rush. it's a relief. you think about the people behind you, what they've been through. what this will mean to them. what they think with. it >> at the hearing kits family told the words that they had for six years. >> there's a hole in our lives, a hole left by this murder. >> i wish her children had an idea of what they've missed on

in their life. >> oh, but they do, said gregory and reply. they all do. >> the family was the only one who was missed kitty. she was best by myself, my family, my two beautiful daughters. >> the daughters, throughout it all, have been staunch defenders of their father. in court, the elder of the two, speaking for both of her parents. >> my family, and i, have now been sentenced to another 25 years of pain, and agony. i miss my mother very much, but it is not fair that my father is being taken away. >> for a long time, the sentence, 25 years to life. he sat in jail, waiting to be transferred to a new prism. i asked him about his daughters. and, gregory said -- >> at least i have their love.

>> kits family? what do they have? >> i think she is in my soul. even though she isn't here, physically, she is with us. >> finally, one determined detective, officially retired, again. this case, for him, was, well -- >> emotional. >> was it worth the time you put on this? >> oh yes. . sure. >> the case that he came back for. the case of his life. closed. >> that is all for this edition of dateline. i am andrea cannon thank you for watching. for watching >> good evening, i'm ali velshi. welcome to msnbc special coverage of the indictment of donald trump. i am joined tonight by my