Castro then demanded that in addition to their relatives, the boats had to be filled with common prisoners from jails and mental patients, who were given the choice of staying in prison or trying their luck emigrating on those boats. Castro wanted to provoke a crime wave in the US to tarnish the reputations of those Cubans living there.

I can't help but to see a parallel with the out of control flood of migrants (some of them potential legitimate refugees) Turkey let into Europe in order to put pressure on the European Union back in 2015.