CSI: Miami Season 6 Episode 8

Brian Partney (18), son of Canadian tourists Roger and Denise, is murdered by a shot in the face in the luxury hotel elevator while the family was leaving to catch their flight home. The bullet is missing, a black Cobra Familia gang shirt was left behind, with the key-card of Mitch Pena's room, facing the elevator. Father Partney has no idea why Brian took that elevator, nor how he or the kid's adoring younger brother Shane could have anything to do with a gang. New Yorkers Mitch Pena and his younger girl-friend Amy Hobbs claim they were on the beach, but earlier Amy had given the cutie her key; when the boy came over for frisky fun, Mitch barged in and just threw startled Brian out. The permanent web-cam in the elevator recorded only the killer's arm reaching near surprised Brian's head just before the shot, the green-lined sleeve is of a bloody uniform found in hotel laundry: that of bellman Luis Mendoza...