Find out more about the murders of Gelareh Bagherzadeh and Coty Beavers, as detailed in Prosecuting Evil with Kelly Siegler.

When Dr. Teresa Sievers doesn't show up to work, her coworkers and family become very concerned about her wellbeing.

Mark Sievers attempts to blame his mother, Bonnie, for failing to set his home's security alarm.

When Mark Sievers hands his phone over to police, they find a huge number of explicit videos and pictures of women other than his wife.

Dr. Teresa Sievers is found brutally murdered, but was she killed after a robbery gone wrong?

When police bring Ali Irsan in for questioning, he begins mimicking symptoms of a heart attack.

Get a preview of the Season 2 finale of Prosecuting Evil with Kelly Siegler, which will delve into the case of Ali Irsan.

The man in the widely circulated video clip became known as “Bridge Guy” and investigators later concluded it was Richard ...

Season 14 Preview: 5-year-old Tim Wiltsey vanishes, leaving behind a mystery that spans thirty years.

Jeanine Cammarata's best friend, Jessica Pobega, speaks about Jeanine's disappearance.

As police investigated Aris’ murder, his brother quickly became the prime suspect after family and friends revealed a ...

Learn more about the latest developments in the legal proceedings involving Idaho murders suspect Bryan Kohberger.