The Trump administration has not publicly said how many immigration detention beds it needs to achieve its goals, or what the cost will be.

One of the biggest hurdles to carrying out Trump's mass deportation plans is where to house the millions of people who are in the country without legal status. As many prisons and detention centers are already overcrowded,

An immigration group sued on Wednesday to block President Donald Trump's move to expand fast-track deportations under his pledge to remove millions of people who are in the country illegally. People facing fast-track deportations do not have access to an attorney and are unable to present evidence against their removal from the U.