President Trump campaigned on a pledge to crack down on illegal immigration. But since taking office, he’s primarily targeted several long-standing programs that give migrants lawful ways to come to the U.

On Monday, the Florida Highway Patrol conducted a joint operation with federal immigration officers in Jefferson County to round up 12 people believed to be in the country illegally, one of a number of raids performed around the country as the Trump administration ramps up its plans for mass deportation.