Jill Sederstrom

Nick Hacheney was viewed as a charismatic and devout man of God, but parishioners would say he used his faith to manipulate others in dangerous ways.

After LaNell Barsock was found dead in her Palmdale home's garage with a plastic bag over her head, detectives eventually realized their investigation was "heading in the wrong direction."

Joseph Sonnier, a man with seemingly no enemies, was gunned down in his Lubbock, Texas home in 2012.

Investigators initially thought the tragic deaths of Nichole Payne and her son Taylor could be the result of a murder-suicide, but chilling clues at the scene told a different story.    

Ali and Ana Abulaban appeared to have it all, but the couple's life behind the scenes was filled with violence, obsession and murder. 

Gabby Petito wrote an apologetic letter to boyfriend Brian Laundrie before she was killed.

When two women were killed in the same Arlington, Texas apartment complex in the same year, panic spread through the city. “He said, ‘Don’t scream and I won’t kill you,'" one survivor recalled.

Casino magnate Ted Binion was found dead in his home in 1998 surrounded by heroin and drug paraphernalia, but investigators began to suspect that his death may have had more sinister origins.

A medical examiner determined Anjelica "AJ" Hadsell, whose body was found face-down in a drainage ditch, died of heroin poisoning — but authorities found no evidence that she was a drug user.

Amanda Knox had been hoping to clear her name "once and for all" when she stepped back into an Italian courtroom earlier this week.