With a majority of voters believing that visa overstayers are a danger to the United States, a whopping 72 percent want the administration to find and deport them, according to a new poll.

Amid concerns about the administration’s plans to let in thousands of Muslim immigrants from Syria, Americans are becoming worried about the impact they will have and the threat to security they pose. Just this month, the government reported that 500,000 visitors to the United States overstayed their visa and didn’t go home. There may be up to 5 million others in the U.S.