here's josh mankiewicz with "final curtain. " >> hello? >> hi, baby. >> hey, what's going on, what do you want me to do? >> i don't know. leave me. >> the woman on the phone was just hours away from walking down the aisle, to marry the man on the other end of this call, to pledge her love, until death did them part. >> i'm going to go do something right now, and you're not going to see me for the rest of your life. >> instead, she found herself in the middle of a twisted murder plot that would change her life forever. >> what did you do? >> i think you know what i did. >> she knew. or did she? her name is rachel buffett. you may remember her from a story we first reported in 2016, about her then fiance, dan wozniak. and about two families in search of the truth. >> i know a lot of answers now. a lot more than i had the last time we met. >> now, the final curtain. >> i believe with all my heart they were trying to get me back and kill me. >> new information. >> there's things that people need to know. there's things that need to be said. >>

here is josh mankiewicz, with the "the mansion on ocean boulevard". >> some places feel secluded, insulatedre. >> i can remember saying that and feeling that and saying nothing bad could ever happen here. >> here is coronado, california. just over a bridge from san diego. a town of beautiful beaches, people and homes. like this one, on ocean boulevard. except that in the summer of 2011, this mansion became ground zero for a mystery. >> this is a very bizarre death. there is no doubt about it. >> well actually there's been plenty of doubt and plenty of theories. >> my sister was dead. and did a lot of things growth my mind? yes. >> secrets both suspected and imagined. >> is it possible that other people know more than they're saying? yes. >> it's certainly possible. beyond that it's hard to say for sure. especially when it seems everyone has a story to tell. and those stories lead to accusations, often with zero proof. >> people are gonna believe what they're gonna believe with no evidence. >> paradise valley arizona was home for the shacknai family, but the summers they spent in coronado we

here is josh mankiewicz with "broken bonds". ♪ ♪ ♪ >> what would you do for your family?uld you walk through fire? could you ever accuse them of something terrible, to save yourself? this is a story about two very different families. it is about loyalty, terror deception and love. and for one of the families, it begins with a late night phone call. >> i was about to not answer it, then something told me to pick up the phone. >> christina's mother was on the line. >> to just hear these sirens, she just kept saying, you have to come here, they broke into the house, he is dead. they killed him. >> he was joseph morrissey who have been married to christina 's mother, kay, for 12 years. there are suburban florida home, documented by police video was now a crime scene. -- >> to just hear these sirens, she just kept saying, you have to come here, they broke into the house, he is dead. they killed him. >> he was joseph morrissey who have been married to christina 's mother, kay, for 12 years. there are suburban florida home, documented by police video was now a crime scene. >> th

here's josh mankiewicz with "betrayal of trust." >> southern california's south bay. a singularly stunning stretch of shoreline with familiar names like hermosa, redondo and manhattan. >> we call it the sandbox. no one thinks that this part of los angeles exists, but it does. >> this seaside playground is lined with beach front property worth millions. and nestled among these small beach towns is an oasis called, el segundo. >> its main street, usa. >> it's a great place to raise kids. >> and in 2003, one of the rain makers of the real estate business, selling those beautiful hones in el segundo and the south bay was a woman named julia keller, known as "deede". >> she really just embraced everyone that came into her path. >> deede's best friends mortgage executive cindy ertman and real estate saleswoman linda dondero. she was doing her job? >> i love working with the. >> everybody did. >> she was just so easy to like and wanted the best for everybody. and her clients were very loyal over the years. >> deede was loyal to. not only to our clients but as a divorce mom t

here again is josh mankiewicz. abdul-rahman was investigating the murder of a woman in a parking garage. then he learned that not only was pam fayed locked in a bitter divorce with her husband jim but that the gold trading company that had generated all the money they were fighting over was now under federal investigation and that pam was going to turn on her husband and cooperate with prosecutors. >> she was probably going to be a witness against him. he was pretty pissed off about that. >> what potentially were the penalties for mr. and mrs. fayed in that federal case? >> potentially they could have had their assets seized. that was if they have their assets seized fayed wouldn't be able to conduct business. >> after a long investigation, federal agents took jim into custody days after pam was killed. he was charged with operating a money transfer business without a license, and he pleaded not at the same time, detective abdul rahman continued his investigation into pam's murder, starting not just with the videot

here's josh mankiewicz with "a promise to helene". >> 40 years is a long time. that's 40 winters here in colorado. and countless snowfalls. it was on a day like this that young woman disappeared. her name was helene and helene had a friend named kimberly. a friend who kept her word. you have any idea how many years you are signing up for when you made that promise? >> no. >> for those nearly four decades, kimberly kept her promise. 40 years looking at faces. 40 years meeting with detectives. 40 years retracing helene's steps. >> when i make a promise and they make a commitment i follow through. >> helene never knew it but she had another friend. you never met helene. you feel like you know her? >> i do. i feel like i know her well. as well as i possibly could. >> shannon was three years old when helene disappeared. it wasn't until 2019 that she accepted a challenge. >> i had to win. i wanted to win it for helene. helene pruszynski grew up as the baby daughter in a close knit family of five in hamilton, massachusetts. >> everybody that met her liked her company.