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When a young father is executed, police learn the shooter may have been his close childhood friend. John helps track down the alleged killer, Diontae Whitson. Later, Cal's in pursuit of Louis Rojas, accused of murdering his ex-wife's new husband.
First Air Date : Jan 16, 2019
Last Air date : Nov 09, 2022
Episode : 48 Episode
Season : 4 Season
Runtime: 45:14 minutes
Studio: Investigation Discovery
Country: United States of America
Cast: John Walsh, Callahan Walsh
