ICE arrests and other deportation enforcement are ramping up as President Donald Trump's orders rapidly shift the immigration law landscape. Here's how those process work.

Countries cannot be forced to take back citizens the U.S. government wishes to deport. The U.S. government can threaten a "recalcitrant" country with visa sanctions or other actions, as Trump did recently with Colombia. Cuba and Venezuela are two countries with citizens in the U.S. that generally have refused to accept deportees.

President Donald Trump announced plans Wednesday to build a massive facility at Guantánamo Bay in Cuba to house deported migrants—following an escalation across the country in recent days as part of what Trump has promised would be the “largest deportation operation” in U.S. history.

Among President Trump’s many immigration policies implemented since he took office, his plan for mass deportations has rattled migrant communities in Colorado and beyond.

ICE has take a spotlight role in the wake of plans in Trump's administration for mass deportations. Here's what you need to know about the agency.

Two sources familiar with the plan told NBC News the Trump administration is considering pulling funding from TSA and redirecting it to ICE.