Bryan Gildner

From the suspicious disappearance of his wife to the brutal dismemberment of his neighbor and the murder of his best friend, this true-crime special tells the bizarre story of the life and criminal trials of the infamous real estate heir, Robert Durst.

A new TV special from Investigation Discovery, “Brittany Murphy: An ID Mystery," will revisit the circumstances of her death. Murphy's husband, Simon Monjack, died at their home in 2010 just five months after the actress died.

Examining the story of Gypsy Rose Blanchard and Nicholas Godejohn and their joint decision to kill Dee Dee Blanchard; featuring an exclusive prison interview with Nicholas Godejohn.

Ten years later, the mystery of what happened to UK toddler Madeleine McCann endures. Her parents are convinced she was kidnapped while on vacation at a Portuguese resort, but the weight of suspicion soon crashes down on their shoulders.

Robert Durst, an American real estate heir, is investigated as a suspect for murdering three individuals in different states, Kathleen McCormack Durst, Susan Berman and Morris Black.

When Susan Powell vanishes without a trace, her husband claims to have no idea what happened. But many feel he may have had a hand in her disappearance. As her family searches for answers, the tale takes a tragic turn that no one sees coming.