Watch a sneak peek and check out photos of the upcoming episode IN PLAIN SIGHT titled "Whistle Stop" Season 3 Episode 4 airing this Wednesday April 21 at 10pm on USA.
Episode Synopsis: Mary and Marshall try to help FBI Agent Mike Faber convince his informant to enter WitSec. Despite their best efforts, the informant refuses their protection and gets himself into a heap of trouble. Meanwhile, Stan has to deal with an ex-boxer/witness suffering from pugilistic dementia. Steven Weber guest-stars in "Whistle Stop," premiering Wednesday at 10/9C!