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.

The interrogation of an apparent accidental drowning victim's fiancée leads a detective down a path of trying to discover if something more sinister happened.

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