Raul Alcaraz Ochoa was arrested when he allegedly tried to prevent a man determined to be in the United States illegally from being detained, the Arizona Daily Star reported Tuesday.
Border Patrol agents said Alcaraz failed to follow agents' orders and lay down under a patrol vehicle to prevent it from moving.
Police spokesman Sgt. Chris Widmer said officers were called Sunday to investigate a report that a man put three children into the back seat of a car and two others in the trunk.
The driver of the car, Meza Huerta, was cited for civil child restraint violations and having a suspended driver's license.
Border Patrol agents were called after police determined Huerta wasn't a legal resident. Arizona law required officers to check Herta's immigration status.
Alcaraz, who happened on the scene, was arrested when he interfered.
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