The mole is revealed to be Quinn from Internal Affairs. After the case is closed, Deeks is welcomed back to the team. π The Significance of "The Paper"
In this episode, the team works a joint operation with the LAPD to stop an explosives sale. During the sting, Deeks appears to shoot an unarmed man, leading Hetty to "fire" him and the LAPD to cut ties with NCIS. Ncis Los Angeles 3x10
Throughout the episode, Hetty uses the chaos of the undercover operation to push Deeks toward a permanent commitment to NCIS. The mole is revealed to be Quinn from Internal Affairs
In Season 3, Episode 10 of NCIS: Los Angeles , titled the "paper" refers to the formal NCIS Agent paperwork that Marty Deeks is pressured to sign. Episode Summary: "The Debt" Episode 10 of NCIS: Los Angeles