Homegrown Pot Threatens Mexican Cartels Washington Post: American Mom-and-Pop Marijuana Growers Are Cutting Into Profits of Foreign Traffickers tiff competition from thousands of mom-and-pop marijuana farmers in the United States threatens the bottom line for powerful Mexican drug organizations in a way that decades of arrests and seizures have not, according to law enforcement officials and pot growers in the United States and Mexico. Illicit pot production in the United States has bee