Caro Quintero was held guilty of ordering the kidnapping, torture, and murder of two U.S. citizens, writer John Clay Walker and dentistry student Albert Radelet on January 30, 1985.
According to sources, they were murdered as the two accidentally walked into Quintero's private parties while dining in one of the Guadalajara restaurants.
Both of them encountered Quintero and his men, after which they were taken and locked in a store room. There John and Albert were later tortured by Quintero's men with ice picks and interrogated about what they saw at the party.
John died on the spot after he got blunt force trauma on his head. Albert was alive but still, Quintero's men took him to a park nearby wrapped in a table cloth and buried him there. His body was found six months later in the park.
After the murder of writer John Clay Walker and dentistry student Albert Radelet on January 30, 1985, Quintero murdered U.S. Drug Enforcement Administration agent, Enrique "Kiki" Camarena, Camarena's pilot Alfredo Zavala Avelar in 1985 A.D.
On 1984, the Mexican authorities raided a 1000-hectare ranch owned by Rafael Caro Quintero in the state of Chihuahua and burned more than 10,000 tons of marijuana. Quintero suffered a loss of around $160 million due to this.
This operation was led by U.S. Drug Enforcement Administration agent, Enrique "Kiki" Camarena who was working undercover and passed the news to the authorities. After knowing the person behind the raid, Caro Quintero along with other drug traffickers was seeking a chance to take revenge against the DEA and Camarena.
On February 7, 1985, Camarena along with his pilot Alfredo was abducted by Caro Quintero's men and taken to a residence owned by Quintero situated in the western section of the city.
There, Enrique "Kiki" Camarena and Alfredo Zavala Avelar were brutally tortured and murdered by Quintero's men. After the murder, Rafael Caro Quintero fled from Mexico with his girlfriend Sara Cristina Cosió Gaona. Quintero bribed Mexican Judicial Police Chief Armando Pavón Reyes with $300,000 to let him fly away from Mexico to Costa Rica in a private jet.
Shortly after Armando Pavón Reyes was fired and charged with bribery and involvement in Camarena's murder.