S4E20

Purity

NCIS: Los Angeles

calendar_todayApr 9, 2013 schedule44 min star7.7

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.

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CBS

star Guest Stars

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