犯罪现场调查 9x12: Disarmed and Dangerous (Full Episode, MEGAVIDEO) 

The CSIs are called in when an undercover FBI agent is found brutally murdered. The CSIs must help the victim's parter find the killer.
密码: 犯罪现场调查 las vegas, fbi, disarmed and dangerous, season 9, episode 12, full episode, megavideo