New guidelines promulgated by a top Biden administration official on Thursday advise immigration enforcement agents that being in the country illegally is not by itself enough reason to arrest somebody. More than 11 million illegal immigrants are estimated to be in the United States, but Department of Homeland Security (DHS) does not have the resources to arrest and seek to remove all of them, Homeland Security Secretary Alejandro Mayorkas said in a memorandum laying out the guidelines. He urged agents with Immigration and Customs Enforcement (ICE), an office inside DHS, to exercise “discretion” in enforcing immigration rules. “The fact an individual is a removable noncitizen therefore should not alone be the basis of an enforcement action against them,” he wrote. “We will use our discretion and focus our enforcement resources in a more targeted way. Justice and our country’s well-being require it,” he added. Only illegal immigrants who pose a …