Subscriber content preview Federal officials plan to offload some warehouses purchased for immigrant detention The government has spent over $1 billion on warehouses in 11 cities By HEATHER HOLLINGSWORTH, RYAN FOLEY and REBECCA SANTANA Associated Press AP Photo/Mike Stewart, file [enlarge] U.S. Immigration and Customs Enforcement is retreating from a plan to use warehouses to hold up to 10,000 people on a single site, jettisoning a key piece of former Homeland Security Secretary Kristi Noem's...