really, moved on. a year passed, then two, the bradford case got buried. >> i would sit around and wonder, oh you know i'm gonna grab that bradford case out, and i'm gonna read that again. maybe there's something i missed. maybe there's something i didn't do. maybe there's something i could do. >> but all those somethings led to a bunch of nothings, not one new lead. mason stayed in close contact with shaun, who by this time was engaged to be married. her father wasn't on the guest list, but shaun was worried he'd show up at her wedding. >> we actually had plain clothes cops that were armed at our wedding. >> you were that nervous? >> yes. he killed once. my belief was, my father killed my mom. he's not welcome. i believe he did this. this isn't safe. >> and she felt nothing but relief when her father missed