Season 2

A couple finds their friend shot dead... but is one of them the killer?

Three horrific murders. Three different 911 calls. All three callers claim they're innocent - but for the police, the call can reveal so much more than just the facts of the case. Find out which of them is the real killer in disguise.

A woman vanishes, and her husband calls 911; months later, police find her badly beaten body and make him suspect no. 1; a strange noise in the background of a 911 call leads police to the true killer.

Three murders, three callers claiming innocence, and one of them is lying. The 911 call is the evidence hiding in plain sight

A woman calls 911 after she finds her mother dead with a knife in her chest; is she a grieving daughter? Then, someone murders a husband in a remote park on Valentine's Day; is it a tragic accident or a lover's tryst gone wrong?

A man finds his girlfriend strangled in a bedroom closet and becomes the main person of interest.

Police discover a beloved teacher stabbed and beaten to death and turn to those who knew him best. The truth proves more tragic than anyone could believe. A movie-style murder plot leads investigators to a killer.

A man finds a mom dead in her bathtub and calls 911 in a panic, claiming an accident. Shocking testimony reveals the truth. Police send a 911 caller to prison for a deadly assault-but is he innocent?