A prominent Texas attorney has been arrested and charged with conspiring to launder $600 million for a Mexican drug cartel, law enforcement authorities say. Marco Antonio Delgado, 46, was arraigned Thursday after being arrested Nov. 2 at a restaurant in El Paso, CNN reported. U.S. Immigration and Customers Enforcement and Homeland Security Investigations said in a statement that Delgado was a linked to a cartel in Guadalajara, Mexico. He faces up to 20 years in prison if convicted. Delgado is a former board member of the El Paso Symphony Orchestra, once donating $20,000 to the organization. He also was a trustee at Carnegie Mellon University, where he set up a scholarship that provides $5,000 annually to Latino students.