NCIS: Los Angeles
NCIS: Los Angeles S4 E20 - Purity
7.5
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.
| Creator | Shane Brennan |
|---|---|
| Actor | Chris O'Donnell, Daniela Ruah, Eric Christian Olsen |
| Country | United States of America |
| Production | Shane Brennan Productions |