U.S. authorities also allege they sent the proceeds to Mexico via California.
Another 20 people face drug trafficking charges. Juan Demetrio Villalpando Jr., 36, known as Junior, organized and supervised the operation of "a continuing criminal enterprise" The organization, in which 20 other people worked, transferred the funds from the distribution of drugs to his father, authorities say. The vast majority live in Colorado, but there are also residents in Nevada, California and Mexico.. US authorities have stepped up their fight against drugs and especially fentanyl, whose overdose deaths in the country have increased by 300% in the last seven years.