When last we saw Peter Cambor on NCIS: Los Angeles, his character, operational psychologist Nate Getz, was packing up his office for a secret assignment.
Nate returns in Tuesday's episode, and while the team reunion may be sweet, don't expect an abundance of revelations about Nate's disappearance.
"The mystery still remains as to where exactly he's gone, but what you need to know is he's done some special training to improve the skill set he already has," Cambor tells TVGuide.com. "You get to see my new skills come to use, and I'll say it's not like he went to typing school."
Indeed, Nate goes undercover at a prison with Sam...