Agent X (2015): Season 1, Episode 4

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The cabal trail leads John to a lawless Mexican town, where he is drawn into a deadly feud between the local drug lord, nicknamed El Diablo, and the town's police chief, Luna. At the same time, Natalie probes into a romantic connection between her late husband, Steven, and the fiancé of her political adversary, Speaker of the House Miles Latham.