The Trump administration unveiled moves against colleges related to how they handled protests after Oct. 7. But the problem is a different one.

Mahmoud Khalil, a 29-year-old legal resident of the United States, was arrested and detained by federal agents Sunday, after his green card was revoked by the White House.

The 5-foot-8 suspect gave police the slip near Park Ave. and Claremont Parkway in Mott Haven about 5:30 a.m., cops said.