Watch NCIS: Los Angeles Season 4 Episode 20
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NCIS: Los Angeles Season 4 Episode 20

NCIS: Los Angeles Season 4 Episode 20

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.

Episode Name: Purity

Serie Name: NCIS: Los Angeles

Release: 2013-04-09

Country: United States

Quality: HD

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