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John hunts for Jose Bustos-Diaz, a convicted killer and prison escapee suspected in another slaying. Later, Cal's in pursuit of Benjamin Williams, accused of murdering his ex-girlfriend in front of her two young children, including his own baby.
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