Only Murders in the Building

In a sensational, televised trial, Erik and Lyle Menendez were found guilty of murdering their parents. A shocking motive was behind the brothers' actions.

In a sensational, televised trial, Erik and Lyle Menendez were found guilty of murdering their parents. A shocking motive was behind the brothers' actions.

New theories have emerged about the O.J. Simpson case, involving a possible hit man who claimed responsibility for the murders.

New theories have emerged about the O.J. Simpson case, involving a possible hit man who claimed responsibility for the murders.

Uncover the struggles the music genius faced, from Prince’s early life to the days leading up to his shocking death.

Examine how Anna Nicole Smith's lavish lifestyle may have contributed to her mysterious death.

What really happened to Michael Jackson? The musician's children and staff reveal what they witnessed leading up to his death.

What really happened to Michael Jackson? The musician's children and staff reveal what they witnessed leading up to his death.

Investigators review suspects and evidence in the murder of JonBenet Ramsey, including the family’s maid and a man who portrayed Santa at a holiday party.

Investigators review suspects and evidence in the murder of JonBenet Ramsey, including the family’s maid and a man who portrayed Santa at a holiday party.

Examine the factors that led to the crash that killed John F. Kennedy Jr., plus an interview with someone who may have been the last person to speak with him.

Examine the factors that led to the crash that killed John F. Kennedy Jr., plus an interview with someone who may have been the last person to speak with him.

New details are revealed about singer Whitney Houston's last days and her tumultuous relationship with Bobby Brown.

The chilling account of a man who survived his encounter with the notorious serial killer who managed to evade police for years.

Ted Kaczynski's brother, the man who ultimately turned him in to authorities, takes us behind the hunt that led to the capture of the Unabomber.

Did Heath Ledger's immersion into his role as the Joker impact his real life? Bizarre drawings and puzzling clues found in the actor's apartment are detailed.

Escort agency owner Deborah Jean Palfrey threatened to expose client names and was later found dead. Investigators unravel the circumstances of her death.