2 Sinaloa Cartel members plead guilty in the U.S.

Two members of the Sinaloa Cartel pleaded guilty to trafficking cocaine charges, according to the United States Attorney's Office for the Southern District of California.

Osvaldo Contreras Arriaga, a Tijuana native, pleaded guilty for his involvement in trafficking over 20 million dollars worth of narcotics into the U.S. and smuggling bulk cash into Mexico.

The 28-year-old defendant was extradited to the U.S. from Colombia in August together with his accomplice, 38-year-old Omar Ayón Díaz, who also pleaded guilty to money laundering charges on December 6 in a court in San Diego, reports the attorney general.

Ayón Díaz, who's also a Mexican national, owned and managed several foreign exchange companies in Tijuana that were used to launder money obtained ilegally from the sale of narcotics in the U.S.