The Maine operation is part of the Trump administration’s effort to target “the worst of the worst” criminals residing in the U.S. illegally. Federal officials from ICE and DHS did not respond to questions Thursday morning about whether ICE has ceased its operation in Maine. “ICE operations in Maine have failed to improve public safety and have caused lasting damage to our communities,” he said in a written statement. Advertisement— Andrew Rice6:31 a.m.: ICE ends immigration surge in MaineU.S. Immigration and Customs Enforcement has reportedly ended its surge in Maine. Collins said ICE and Border Patrol will continue their normal operations in the state.