the pamela butler she disappeared in 2009. her body has never fwound.oyfriend ultimately confessed to killing her. police may have never gotten to that point if were not for her brother's persistence. >> i felt like if i keep it going, the police would say we have to get this off the news. >> thanks to advancements, police realize of the remains found decades before hand belonged to his ex-wife and then he told them he buried her remains however, they have yet recovered remains. >>> a teenagers unsolved murder haunts her family. 15-year-old kathy lynn beatty was beaten and sexually assaulted in 1985. her sister found her in the woods. she died days later. police release this video on youtube today explaining how the crime scene has changed in the last 4 years. >> this is an imagerom 1979. currently ahopping center there. we wanted to show where the woodsth were. this i image of the trail. this is the area called the rocks where a lot of juveniles would hang out. sh he was found not too far from the rocks they hope this video will jog someone's memory. >

. >>> derek butler was relentless, rather, inushing d.c. police to find his sister pamela's killer.er more than eight years pam's one time boyfriend was nvicted of her murder. tonight derek is channelling that same determination to bring heing to another family. northern virginia bureau reporter david colver has the story from stafford county. >> reporter: we followed derek butler on his journey for justice. it took usdo staff county. derek going through onectoorway, redi to another hoping to meet with a commonwealth attorney eric oleson. a he spentut 15 minutes the prosecutor. it is about a fraction of the many years he push frd answers, starting with t 2009 disappearance and murder of his sister pamela butler. datelinebc recently chronicling derek's persistence. part of what led to police cracking pam's case, the 1989 death of martha ,cr jose's ex-wife. a femiles from where jose told prosecutors he buried pam. martha's son who asked we not use his name believe his father jose killed his>> mother. t's difficult to reconcile that part of me with the ft that someone who's supposed to

toerght pamela butler's bro derek is on a quest for closure. >> but it's just for his family. he's takingis plea to stafford county prosecutors. >> reporter: der butler's trip to stafford cnty is aission for justice. e>lhey won't tel me anything other than we having. >> reporter: he wants a opce-to-face meeting with the attorneyg that prosecutors will fullty investigate the 1989 disappearance and death. we went with der as he went to pursue answers. we were told to waits outside derek seemed to meet with olson. it took more than eight years for pas one time boyfriend to be charged andconvicted. dt it was jose's own son who toldectives he believes his father also killed hisother marta. and like pam allegedly duchld r body in stafford county. >> a case that we very much hope is brought. >> they've got to d that thing we all call justi. they've got to. >> they understand i'm not going anywhere, and they are investigating the >> he updated martha's very grateful son by phone. >> he has been a great ally, and i really can't say how valuable hes to this part of mylife. when i think a

it would takerl n a decade to figure out what happened to pamela butler. the investigation uncovered a link to another woman's disappearance decades >>earlier he was such a gentleman. >> she seemed happy? >> she did. she seemed very happy. >> the story is coming up on an all new "dateline"onight at 10:00 right here on nbc 4, then stay tuned for ns4 at 11:00. >>> overnight space lauh could propel the nasa program into the future but there won't b any astronauts on board. >> we'll show you an unmanned i flight and h could break the u.s. away from russia for the first time in a decade. >>> first a look at what's new on news4 at 5:00. >>> we wrap up dna week. millions use those kids to learn about their ancestry or their health. >> but what do the companies do withhainformation when they've sent you yours? doreen gentzler is going to explain. >>> rebuilding the national cathedral one leg bow brick at a time. >> by the time it's done, the rego replica will be the size of ai m van. >> derrick ward takes us to the cathedl to find out how this is helping to fix da

it wou take nearly a decade to figure out what happened to pamela butler.he investigation would also uncover a link to another woman'sisappearance decades earlier. the story is coming up on an all-new date line" tonight at 10:00 on news4. >>> millions of american use dna testing kits to learn about their ancestry, maybeven their health. >> have you ever wondered what the company's involved due with the genetic data that gets collected. doreen gentzler takes a closer look. >> reporter: it's the silicon valley company with thege l database for research. over the past 12 years, has turned her dream into a billion dollars empire. now, she's venturing into new territory, offering ctomers a chance to give their dna a second life through medical research searching for cures to age old diseases. >> how i can crowd source all of this infortion and then i can. i can partner with academic researchers andh partner w biotech companies, pharma companies and say how can we all come together and say a i want solution and i want information. >> reporter: more than 4 million

. >> now, it would takeearly a decade to figure out what happened to pamela butler.the investigation would also cover a link to another woman's disappearance decades earlier. the story is coming up on an new all-"dateline." >>> luke perry is in the hospital after suffering a ladies and gentlemener stroke. the "90210" star was rushed to the hospital yesterday morning from his home. strokes are unusual at his age but not uncommon. the cdc says one-third of all stroke patients are under 65. >> stroke can happen to anybody, anywhere, anytime. you don't have to have a family r history or risk factors. >> earlier this week, a "90210" reboot was announced. perry has not signed ono the project. in 2015, he was treated for precancerous growths. he has been a vocal advocate fos screenor cancer. >>> we received another school closure. all fauquier county schools will be closed today. >>> still ahead, have you used one of the dna testing companies? maybe you wanted more information o your health or family history. >> what happens to your dna after you send it to the company? >>>

. >>> you may have caught the pamela butler case. o it w "dateline" nbc last night. pamela lived in northwestsh waington. she disappeared in li2009. never found her body. butler's boyfriend, jose rodriguez cruz, ultimately confessed to killing her. police may have never gotten that w confessionhout the persistence of pamela's brother. >> goal was to keep it going. i felt like if i kept it going, the police would say, you know, we have to get this off the news. case. e to solve this >> the case sat cold until the detective took another look. thanks to advancements in technology, police realized other remains found decades bere him belonged to cruz's ex-wife. eventually, cruz told them that he buried pamela's mains along i-95 in stafford county. police have not yet recover them. you can find the full episode of "dateline" on nbc.com. >>> happening today, anational harbor, president trump set to take the stage to close out the conservative political action conference, or cpac. he is expected to speak around 1 11:30. 'll be trump's first appearance since returning early f

. >>> you may have caught the pamela butler case. it was on "dateline" last night. mela lived in northwest washington. she disappeared in 2009. police never found her body.bu er's boyfriend, jose rodriguez cruz, confessed to killing her. police may have not gotten theo confesithout the persistence of pamela's brother. going. was to keep it i felt if i kept it going, police will say, we have to get this on the news. we have to solve this case. >> t case sat cold until a tective took another look. thanks to advancements in technology, policeli rd other remains found decades beforehand belonged to cruz's ex-wife. cruz eventually told them he buried pamela's remains along i-95 in stafford county. the police have not yetth recovered. you can find full episodes of "dateline" on nbc.com. >>> happening today at national harbor, president trump set to take the stage to close out this week's conservative political action conference. the president is expected to speak around 11:30 this morning it is going president trump's first public appearance since returning early from the

adjudicated in >> so many twists and turns to this but what has remained a consta over the years for pamela butleras her brother. >> pam was the golden child of her family. it was her brother to keep her case alive. they suspeuted foul play the case was going nowhere. whetr or not derek's pursuit, this probably wouldn't have been solved. >> the golden child, starting a 10:00, "dateline" nbc. >>> now at 6:00, a child facing charges in the death of a heyear-old. >>'s no words, no reason for this to take place. >> what police say happenedthhen baby was left home alone with an undered baby sitter. >>> morealls to resign. >> this is not tolerable. >> local groupsga unitest a delegate who used a racial slur to describe prince george's county.>>> and sudden slow down the speed limit on one busy area road is dropping drastically starting atomorrow. ouncer: news4 at 6:00 begins with breaking news. >>> to start off tonightew breaking that could have a huge impact on our evening rushr metro has suspended train service at mcpherson square and farragut west because of smoke. >> this impacts the orange blue and

many years he's pushed for answers starting with the 2009 disappearance and murder of his sister pamela butler. dateline nbc chronicallying david'spersistent. part of what led to police cracking pam's case, the death of jose'sex-wife. her remains found in stafford county, a few miles from where jose told prosecutors he buried pam. >>t's difficult to reconcile shat part of me with the fact that someone tha supposed to be near and dear to me could have committed something so heinous, but at the end of the day the truth is the truth nott what. >> here we are 2019 and they still haven't done anything about it, 30 years later. >> reporter: and that is what motivated derek to mt with stafford prosecutors. >>th one o things i really wanted him to know that this is a person of color that went missing and too often we don't do anything about it. >> reporter: derek's been updating him every step of the way. >> there's that fear, that worry that it might just be under the rug because it's an old case, but i think she deserv >> reporter: two lives taken, their loved ones on that lonely quest for closure k

. >> now, it would take nearly a decade to figure out what happened to pamela butler. the investigation would also uncover a link to another woman's disappearance decades earlier. the story is coming upatn an new all-ine." >>> arlington county public schools now closed. >>> luke perry is in the hospital after suffering a major stroke. the "90210" star was rushed to the hospital yesterday morning from his home. perry is 52. strokes are unusual at his age but not uncommon. the cdc says one-third of all stroke patients are under 65.ha >> stroke caen to anybody, anywhere, anytime. you don't have to have a family history or risk factors. 02>> earlier this week, a " reboot was announced. perry had not signed on to the project. in 2015, he was treated for precancerous growths. he has been a vocal advocate for screenings for cancer. >>> caps fans, get ready to rock the red. tonight's game became more important. would tie d.c. for first place in the division with the new york islanders. here's the thchallenge. ey have to beat the islanders on the road. but the caps are laser-fo

. >>> the pamela butler case is one we have covered extensively over the past decade on news4.ight it's the topic of " "datelinbc. she disappeared you'll recall back ve 2009 and has n been found. in the end, police zeroed in on her boyfriend, jose rodriguez cruz, who ultimately confessed to killing her. he told them he buried her remains along i-95 in stafford county. police have not found her remains but thanks to her advancements in testing they t realizedr remains found in the same area decades before long to the boyfriend's ex-wife. >> cold case detective realized nge boyfriend of pam had a woman who was mis from his early years, all of a sudden now you have two w en missing this guy's life and one resulted in a confession to a hemurder, and other case is still to be adjudicated. >> look for thatate line special here on nbc s 4tarting at 10:00 followed by news4 at 11:00. >>> doug and amelia are in storm team 4 tracking two storms right now. >> one bringing rain tonight and another brinng snow over the weekend. guys, what's up? >> kind of amazing the pat earn we're in right