1. "Dead Body Politic"
Pictured: Linda Hunt (Henrietta "Hetty" Lange). The NCIS: LA team investigates the tragic death of a U.S. senatorial candidate’s staffer who is run over crossing the street. The high-profile case becomes a matter of national security as the agents must determine whether it is an isolated tragic incident or a politically connected plot that might put others in danger. Photo: Ron P. Jaffe/CBS © 2012 CBS Broadcasting, Inc. All Rights Reserved.