Sonora Cartel
The United States Drug Enforcement Administration (DEA) states Caro Quintero created the Sonora Cartel from remnants of the Guadalajara Cartel, which was co-founded by his brother Rafael Caro Quintero. Rafael Caro Quintero was arrested in Costa Rica in 1985 in connection with the torture and death of DEA Special Agent Enrique "Kiki" Camarena Salazar.
In 1989 Miguel Ángel Félix Gallardo was arrested, causing the splintering of the Guadalajara Cartel into the Sinaloa Cartel, Tijuana Cartel and Sonora Cartel.
Read more about this topic: Miguel Caro Quintero