Michelle Despinasse is shot inside her own home in Nanuet, New York. She is rushed to hospital but succumbs to her injuries. Investigators discover that in her final moments, Michelle made a secret recording that will reveal her killer's identity.
Dr Margo Prade is shot to death in the parking lot of her own 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.
Investigators must cast a wide net for clues when the family of Breckenridge resident Sharon Garrison report her missing. There's evidence to suggest she's skipped town, but a set of secret cassette tapes point to something more sinister.
In Arlington, Texas, Michael Humphreys and Sandra Walton are brutally gunned down. Detectives don't know who the intended victim was but when they discover recordings of phone conversations with one of the victims, they get the break they need.
The Devil Speaks immerses viewers into a warm and happy world of people whose lives are about to be overturned by a brutal murder. The Devil Speaks uses real recordings to peel back the layers of the case; from police interviews, to recorded phone calls and voicemails. Only then do we tie all the elements together, showing the chain of events that lead to murder.