his name was clarence stonehocker, and he was one of krystal's customers.larence stonehocker stated that he knew this young lady, that her name was tracy, that he was a cab driver, that he would give her rides whenever she needed. narrator: stonehocker, 45 years old, was married and had children. he worked at a local high school and had no history of violence. he seemed to be, you know, stable, family man. not what we'd think of as a brutal killer. narrator: that is, until detectives dug into his background. ♪ 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 get fast speeds and a reliable connection to all your devices in the home —even when everyone is online. narrator: krystal beslanowitch's murder was deeply disturbing to people on both sides of the law. mathis: krystal did not deserve to die like that. i don't care who we