NCIS: Los Angeles
Watch Full Episodes on CBS All Access
Everything We Know So Far About Sam Hanna's Past
He posed as a criminal.
Sam went undercover as a criminal in "Lockup" (Season 2, Episode 14) to help his friend Moe, who died during the episode.
By viewing our video content you are accepting the terms of our Video Services Policy. © 2019 CBS Interactive. All rights reserved.