By KCAL-News StaffFederal authorities have arrested three Mexican men who were allegedly in possession of one million fentanyl pills that were seized during a sting operation in El Monte.  According to a statement released by the United States Attorney's Office, the suspects met two buyers at a restaurant in El Seguno on Tuesday, where they discussed a deal in which 10,000 fentanyl pills were sold. They searched the car and located the pills inside of three duffel bags