Video of mother being pulled away from her daughters calls immigration enforcement tactics into question

Perla Morales-Luna clung to a young woman's arm as Border Patrol agents tugged her away. The agents, one dressed in uniform, pulled her until she released her grip and shoved her into a U.S. Customs and Border Protection van waiting at the curb, her three daughters watching. "Get in the car!" someone yelled. Voices cried and screamed in the background. Moments later, the van drove off.
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