Troy Roberts

A famed L.A. hairstylist is killed in his backyard - was it a robbery gone wrong by thugs called the knock-knock burglars or a twisted plot no one could believe?

In the investigation of the murder of a one-time millionaire, both his ex-wife and his son are suspects.

Jacob Nolan sits in a New York prison for trying to kill his psychiatrist's ex-lover. Now, for the first time ever, Nolan tells his side of the story to Peter Van Sant.

A football coach serves nine years in prison for the murder of his wife before a Texas Court of Criminal Appeals finds he didn't get a fair trial.

Authorities investigate a case of love, infidelity, road rage and possible murder in Texas.

An Oregon man accused of pushing his fiancée off a steep cliff during a hike nine years ago, in March 2009, tells Peter Van Sant what may have happened that fateful day, in an unusual interview for 48 HOURS.