How did Eminem know that Tupac Shakir is in Cuba?

Eminem has never claimed to definitively know that Tupac Shakur is in Cuba. The idea that Tupac faked his death and fled to Cuba has been a popular conspiracy theory since his passing in 1996. Eminem, like many artists and fans, may reference this theory in a rhetorical or humorous context, but there is no credible evidence to support such a claim.