Mette Holt

The Secretary of the Navy assigns the NCIS team to a joint terrorism task force after a Naval research scientist is murdered and the lead suspect is wanted by the Russian government.

Mr. Sark develops an Ebola-like virus.

While investigating the murder of a young woman, the CSIs uncover a meth lab in her apartment and an unscrupulous FBI agent with a secret life of his own.

When Milo (Danny Masterson) is dumped by his girlfriend, his friends rally to get him back on his feet right away. But as Neal (Adam Busch) nervously tries to accommodate his girlfriend’s sexy demands and Tyler (Michael Cassidy) struggles to land an interview with a difficult movie star, sex with a Swedish housekeeper causes trouble for Gibbs (James Lesure).

In the conclusion of this two-part episode, after determining the serial killer's identity -- and some of his likely future targets -- the team and the FBI work together to apprehend him while trying to locate and protect the people he's preparing to kill.