NCIS: Los Angeles 9×17 Promo “The Monster” Season 9 Episode 17 Promo

NCIS: Los Angeles 9×17 “The Monster” Season 9 Episode 17 Promo – While investigating a missing person’s case, the team uncovers a killer who puts on shows for high-paying voyeurs. Also, Mosley assigns Callen as her partner on a joint ATF mission to apprehend someone from her past, on NCIS: LOS ANGELES, Sunday, April 1st on CBS.