The Devil Speaks - Season 2

Billy Staton and his fiancé Leticia Castro vanish without a trace. Have they left town and eloped? The discovery of Billy's burnt out car and a shock confession, reveal a web of lies that only a secret recording can untangle

Robin Sowders is brutally beaten in his home in Bloomington, Ind., and later dies from his injuries; when his wife turns up at the police station, the investigation gets turned on its head; only a wiretap reveals the truth.

In Arlington, Texas, Michael Humphreys and Sandra Walton are brutally gunned down; when detectives discover recordings of phone conversations with one of the victims, they get the break they need.

Investigators must cast a wide net for clues after Sharon Garrison's family reports her missing; there's evidence to suggest she has skipped town, but secret cassette tapes soon point to something far more sinister.

Dr. Margo Prade is shot to death in the parking lot of her medical practice in Akron, Ohio, and the senseless act shocks the city; police are baffled until they discover that Margo's phone calls were being secretly recorded.

In Nanuet, N.Y., Michelle Despinasse is shot inside her home and succumbs to her injuries after being rushed to the hospital; investigators discover that Michelle made a secret recording in her final moments that reveals her killer's identity.