President Donald Trump has said he wants to send 30,000 “criminal illegal aliens” to the notorious Guantanamo Bay US military base in Cuba. The site houses the prison where hundreds of terror suspects labeled “enemy combatants” were held — many for years without charge — after the 9/11 attacks.

Here’s a look at how the idea of sending struggling migrants to one of the strictest prisons in the world can end up going against Trump.