USA | 10:00 pm

After Bob Lee and Isaac (Ryan Phillippe, Omar Epps) learn the world’s greatest assassin is in the U.S., flashbacks to Bob Lee’s past tour of duty in Afghanistan reveal the identity of that deadly sharpshooter in the new episode "The Dark End of the Street." As Julie (Shantel VanSanten) tries out a new coping procedure to hold things together, Nadine (Cynthia Addai-Robinson) comes to the Swagger Texas ranch to share her suspicions of a conspiracy.