Drug lord’s whereabouts unknown as Mexico presses U.S. for answers

Read MoreEdgar Valdez Villarreal, nicknamed “La Barbie” for his fair complexion, was captured by Mexico and extradited to the U.S., where he was sentenced to 49 years in prison.Edgar Valdez Villarreal, nicknamed “La Barbie” for his fair complexion, was captured by Mexico and extradited to the U.S., where he was sentenced to 49 years in prison.