(CNN) — As the Trump administration has continued its monthslong immigration enforcement blitz, its tactics – including large-scale workplace raids and the use of masked officers – have sparked condemnation from advocates and civil rights groups.

Amid the ongoing campaign to deport tens of thousands of immigrants, “Know Your Rights” trainings and programs have proliferated, with small fliers popping up on the doors of businesses around the country.

“ICE and Homeland Security cannot enter without a warrant signed by a judge,” read some of the fliers, reflecting a growing movement to educate the public about their rights as immigration authorities have taken increasingly aggressive tactics during President Donald Trump’s second term.

The warrant guidance largely stems from the F

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