In Reacher Season 3, Jack Reacher's cover as an undercover DEA agent is blown in Episode 6.The twist of Reacher's cover being exposed is also one of the funniest moments in the season.This twist occurs when Susan Duffy's DEA partner, Villanueva, unexpectedly shows up during a romantic moment with Reacher.The exposure of his cover adds a touch of realism and sets the stage for a more intense and messy storyline.