The cartel Rafael Caro Quintero's brother was the founder and former leader of was based in what country?
Rafael Caro Quintero:  He is the brother of fellow drug trafficker Miguel Caro Quintero, the founder and former leader of the extinct Sonora Cartel who remains incarcerated. Sonora Cartel: The Sonora Cartel, also known as Caro-Quintero Organization, was a Mexico based criminal cartel.
Mexico