3 sons of “El Chapo” among dozens charged in U.S. fentanyl investigation

Read MoreThree sons of former drug lord Joaquín “El Chapo” Guzmán were among 28 people charged in a federal fentanyl trafficking investigation Friday.Three sons of former drug lord Joaquín “El Chapo” Guzmán were among 28 people charged in a federal fentanyl trafficking investigation Friday.