mifflin: with all the information that the coroner was given, he looked at everything in totality and decided, "i'm gonna rule it a suicide." walsh: ultimately, the coroner ruled that it was a suicide, and the police were really, you know, kind of forced at that point to just stay with that. narrator: years -- decades, actually -- went by. margaret's family mourned, but refused to believe she killed herself. my mom would call once a year just to see if there's any way they could reopen it, and, unfortunately, with that ruling, the case was closed and they weren't allowed to do anything about it. narrator: in the years after margaret's death, there was another series of crimes that seemingly had nothing to do with her, until police decided to take a closer look at who was committing those crimes and why. ♪ not all caitlin clark's are the same. caitlin clark, city planner. just like not all internet providers are the same, don't settle. get real deal speed, reliability and power with xfinity. she shoots from here? that's kinda my thing. get the real deal with xfinity internet today, and