Ricardo Díaz is a character in the Grand Theft Auto series who appears as a main character and the tertiary antagonist in Grand Theft Auto: Vice City and a main character in Grand Theft Auto: Vice City Stories. Diaz is the leader of his own drug cartel and, by 1986, is the drug baron of Vice City. Ricardo Diaz was born in Colombia in 1942 and moved to the United States in 1978, bribing the INS for a green card, before moving to Vice City in the early 1980s