Go deeper: Why some immigration hardliners back zero tolerance

President Trump's 'Zero Tolerance' Mexico Border Policy Stirs Controversy And Confusion
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Some conservative groups backing the Trump administration's "zero tolerance" approach to illegal immigration maintain that family separation is necessary to enforce U.S. immigration laws, and feel the media reports surrounding the issue are blown out of proportion.

The big picture: The policy of detaining minors separately from adults at the border has sparked national outrage, with members of both parties urging an end to the practice. Facing pressure, President Trump signed an executive order Wednesday intended to keep families together, but maintained that he is committed to continuing the zero-tolerance policy. The administration and its supporters want to make sure this doesn't lead to families being caught and released in the U.S., which could become an incentive for them to cross the border together.