Investigation Discovery 2 Years Ago August 18, 2021 In Pursuit with John Walsh Season 3 Investigation Discovery US Release DateThe tv series season In Pursuit with John Walsh Season 3 is already released on Investigation Discovery in the USA. Release Dates!Report Date / Submit ProductUSAAllUSAUKReport Date / Submit ProductInvestigation DiscoveryAugust 18, 2021ConfirmedTrackingTrack1TRACK0Buy NowIn Pursuit with John Walsh Season 3TV Series SeasonInvestigation DiscoveryVictims' 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.RealityJohn Walsh