NCIS Los Angeles 12x02 War Crimes Season 12 episode 2 - promo trailer HD - NCIS: Los Angeles 12x02 "War Crimes" Season 12 Episode 2 Promo - As the trial begins of a Chief Petty Officer who Callen and Sam arrested for war crimes last year, the NCIS team is called to help find the missing star witness, on NCIS: LOS ANGELES, Sunday, November 15th on CBS.