Earlier this month, the Justice Department filed a lawsuit against Alabama’s H.B. 56, which is considered the nation’s most harsh state-level immigration-enforcement law. It grants police broad powers to detain people they suspect are undocumented, makes it a crime to aide undocumented persons, bars sanctuary policies, and forces school to check students’ immigration status among other things.

But Alabama’s immigration law is only one of hundreds enacted this year by state legislatures. With the immigration reform debate stalled in Washington, state lawmakers—particularly those on the right—have moved aggressively to fill the void.

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