USA | 10:00 pm

Bob Lee (Ryan Phillippe) and his team follow Solotov’s (Josh Stewart) money trail, which eventually leads them south of the border and a faceoff with a violent Mexican cartel in the new episode "Across the Rio Grande." Nadine (Cynthia Addai-Robinson) helps a journalist who is investigating a cover-up involving Bob Lee’s unit. Meanwhile, back in Texas, Julie (Shantel VanSanten) uses a gun to vent her frustration. Omar Epps also stars.