Purity
Show: NCIS: Los Angeles --> Season: 4 - Season 4
AirDate: 4/9/2013
Runtime: 44
Voting: 7.7 (3)

Overview: When cyanide in a communal water jug lethally poisons a lieutenant and leaves a Navy pilot in serious condition, the NCIS: LA team investigates whether this is an isolated incident or an early test for large-scale water contamination.
Owen Teague
Alex Fryman
Kent Shocknek
Reporter
Tom Gallop
Lawrence De Vries
Chris Bruno
Dominic Fryman
Jay Ellis
Naval Flight Officer Randall Baker
Rance Howard
Eugene
Mark D. Espinoza
Detective Lopez
Steven W. Bailey
Cam
Travis Aaron Wade
Navy Chief Petty Officer Crawford
Omar Elba
Zaki Faheem
Lily Mariye
Ashley Hong
Steve Tom
Roger Morgan
Jade Carter
Navy Lieutenant Joshua Gordon
Bree Condon
Alessandra
Oscar Magana Jr.
EMT Driver