Mariel boats - Cuban "refugees" invasion

“Those who have no revolutionary genes, those who have no revolutionary blood...we do not want them, we do not need them,” Castro declared in a May 1, 1980 speech. In a stance that reversed the Communist regime's closed emigration policy, Castro told Cubans who wanted to leave Cuba to leave, and directed would-be emigrants to go to the Port of Mariel.

Some 125,000 Cubans took Castro up on his words and boarded fish and shrimp vessels but in reality, the majority of those Cubans were criminals and people with mental issues, cleared from prisons and mental asylums and dumped on the boats who came to America.