EL PASO — An El Paso attorney could spend up to 20 years in prison for allegedly helping a Mexican drug cartel with a money laundering operation. Marco Antonio Delgado was arrested last Friday. According to Immigrations and Customs Enforcement officers, Delgado worked with the Guadalajara based Milenio Cartel to launder more than $600 million. Delgado made his first court appearance on Monday. His detention hearing is scheduled for Thursday.