Federal agents are investigating a violent confrontation along a cartel‑dominated smuggling corridor in southern Pima County, Arizona, after a Border Patrol agent was allegedly assaulted Tuesday morning, prompting agents to open fire and critically wound a suspect, according to local authorities and an unconfirmed Department of Homeland Security source. The Arizona man allegedly fired on a CBP Air and Marine Operations aircrew and ground-based Border Patrol agents before being shot.

A DHS source with knowledge of the investigation told Breitbart Texas the chain of events began Monday night when Border Patrol agents attempted to stop a vehicle…

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