NCIS: Los Angeles - Season 2 Episode 22 -

After a key witness, Ray, testifies in a federal arms-trading prosecution, he retires as an informant; the team give him a new identity, Charlie, and direct him to a new location; next Callen and company turn their attention to the missing military weapons; however, within two hours Charlie disappears after a shooting in Los Angeles; Deeks goes back undercover while the other members check out the scene. Kensi and Deeks chase around with Ray; a firefight breaks out, and Kensi takes out one shooter, but Ray disappears again; G and Sam seek entertainment and find some, ...