MISSION, Texas (AP) — Law enforcement officials are trying to figure out a Texas mystery story on the border of Mexico. Esteban Manzanares (mahn-zah-NAH'-rays) was a U.S. Border Patrol agent on patrol this past week when a trio of Honduran immigrants spotted him and offered to surrender.

A woman, her teenage daughter and a teenage family friend told authorities they were driven to a remote area. The older woman says the group was assaulted by a man who left the area with one of the girls. Several hours later, police found Manzanares dead in his apartment from an apparent self-inflicted gunshot wound. The missing teenager was there, too, bound and naked.

Authorities are trying to determine what could have led to his apparent suicide, and are investigating the allegations of assault.

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