Ziva and Gibbs in "Patriot Down," the May 18, 2010 episode of NCIS. How will the seventh season come to a close?

Leroy Jethro Gibbs is under fire as the seventh season of NCIS comes to a close. Will he face the ramifications of a crime committed nearly two decades ago?

Ducky does his thing at the crime scene. That being find the cause of death and occasionally talk to the corpse.

The NCIS team investigates the murder of a colleague in the May 18, 2010 episode. It's the second to last of the seventh season.