The Interrogation Tapes: A Special Edition of 20/20

An up-and-coming filmmaker goes under cover to help the investigation into the death of a 19-year-old aspiring artist, which leads to a chilling confession.

After years of chasing dead ends in the investigation into the Clear Lake Massacre, a tipster points law enforcement in a surprising direction.

Detectives open the interrogation room to a surprising guest as they try to get to the truth in the investigation into the murders of pregnant mother Shanann Watts and her two young children.

A man finds himself in the crosshairs of an hours long interrogation as detectives seek to unlock decades of deadly family secrets after the deaths of his wife and son.

After relentless interrogation, a man confesses to murder, but the victim's mother becomes convinced of his innocence after watching recordings of his questioning.