Bill Moore is in prison after taking a plea deal in the 1983 murder of Timothy Coggins, who was killed for dating a white woman by Moore and his brother-in-law, Frank Gebhardt.
Lou Pearlman died in a federal prison from natural causes at age 62 where he was serving time in prison for a Ponzi scheme related to his business as a boy band mogul.
Cindy Best, Karl Karlsen's ex-wife, came to suspect her husband killed his first wife, Christina Karlsen, and son, Levi Karlsen, and played a major role in the case filed against him.
Dalia Dippolito's case is being featured on ABC's 20/20 on May 15. Where is she today? What's the latest on her case and prison sentence?
The March 27 episode of "20/20" investigates the death of Sarah Stern, who was murdered for her money in 2016.
Houssein Nayeri is a convicted criminal who reached infamy when he escaped from Orange County Jail, recorded the escape and his days on the run. He was convicted in the kidnap and torture of a marijuana dispensary owner and Mary Barnes.