Season 1, Episode 12 Narco, Part 1

First Aired: January 19, 2011

Part 1 of 2. The U.S. Marshals go after a drug kingpin's wife (Lana Parrilla), who killed the lead witness in her husband's case and will do anything in her power to keep her family together. Meanwhile, a case triggers Marco's memories of tough assignments in the narcotics unit; and Jimmy makes a decision about his relationship with Natalie (Siena Goines).