2018-01-12T02:00:00Zs at 2018-01-12T02:00:00Z on Investigation Discovery
2017-05-18T01:00:00Z
43m
4h 18m(6 episodes)
United States
English
Investigation Discovery
Crime, Documentary, Reality
Audio evidence helps police solve real-life homicides. From random killings and revenge hits, to America's most depraved serial killers, detectives discover audio evidence of the most harrowing cases in history.
