Rathford O'Brien (William Fichtner) in "Killing Zone." Photo copyright of The USA Network.
This week on USA Network's Shooter, Bob Lee (Ryan Phillippe) goes off the grid to track down his former instructor, Sergeant Major Rathford O’Brien (William Fichtner), who may have critical information to uncovering the conspiracy, as Nadine (Cynthia Addai-Robinson) interrogates Jack Payne (Eddie McClintock) following his arrest. Meanwhile, Isaac (Omar Epps) discovers the conspiracy has a much darker history than he imagined, while a reporter presents Julie (Shantel VanSanten)with another way out. Check out the clip below from Killing Zone and then tune in Tuesday, December 20th @ 10:00 p.m. EST/9:00 p.m. CT for the entire episode.