As the Supreme Court considered a major immigration case on whether detained migrants could be held without bond hearings, the Trump administration assured the justices that it would continue to uphold a policy ensuring that immigrants would have a fair shot at release. But behind the scenes, top administration officials were considering a different plan: abandoning the policy as soon as the court issued its ruling. Officials at the Department of Homeland Security and the Justice Department prepared a comprehensive plan in December 2017 to deter families from seeking refuge in the United States.