Agent Lee works in the legal department and is inexperienced when it comes to field work. A recurring character, she had an affair with Jimmy Palmer for a couple of seasons. In the sixth season premiere, viewers discovered that she was a traitor. The NCIS team discovered this in the events of episode 6x8 Cloak, although Gibbs has suspected it for several weeks previously. While being interrogated she revealed that an unknown enemy orginazation was holding her daughter, and threatening to kill her as as blackmail against Lee. Lee's daughter was later reveled to actually be her sister.