Recoil

Ziva is working undercover to find a murderer who killed five women and cut off their fingers after they died. She leaves with the killer, when Tony finds the fifth victim and the killer, having found out about Ziva, directs her to an abandoned warehouse. Before he can kill her, she manages to get into a fight with him and then shoot him with his own gun. The team is happy with the killer dead but some things are still unclear. A partial fingerprint from his weapon finally leads to a Marine who killed his wife copying the killer. Meanwhile Ziva has an affair with one of the men suspected to be the accomplice of the killer.