Watch Series: In Pursuit with John Walsh Released in (2019) - Season 1 produced by USA, The TV Series categorized in Crime, Documentary, Drama, Mystery, Reality-TV, and content rating TV-14 with duration 45 min broadcasted as these networks Investigation Discovery, Streamed at Putlocker Victims' rights activist John Walsh and his son, Callahan, showcase time-sensitive, unsolved cases in desperate need of attention, mobilizing the public to engage in the pursuit of justice. - Season 1