On NCIS: LOS ANGELES' upcoming episode, titled "Purity," 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, on Tuesday, April 9 (9:00-10:00 PM, ET/PT) on CBS.
Daniela Ruah, Eric Christian Olsen
Eric Christian Olsen, Daniela Ruah, Mark Espinoza
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