cassie farrington was building a new life, in the tiny desert town she called home. the single mom had two beautiful kids, a doting boyfriend, and an exciting new job. that future washed away when cassie was found dead in her bathtub. unsatisfied with the police investigation cassie's parents set out to solve this mystery and would stop at nothing to get justice for her daughter. here is keith morrison with suspicion in silver city. >> out in the middle of new mexico, hours of desert highway from better known haunts like santa fe is an old mining town called silver city. such an unusual place it is, quirky would be a good word. >> very old west. there's a lot of history in silver city. >> a vast area today sir one way out of town, lush green mountains the other. fourth, fifth, sixth generation ranchers and silver miners coexisting with artist and hippies, why that newcomers. as we say, quirky. >> it's just lots of different perspectives, which is elsa was fascinating. but, of course, this is not a travelog. no, this is about what happened here, or more precisely what