The entrance to the Casa by the Sea drug rehabilitation facility near the Baja California city of Ensenada, which once housed up to 500 teens, is now chained up and sealed by Mexican authorities.
Carrie Kahn is NPR's International Correspondent based in Mexico City, Mexico. She covers Mexico, the Caribbean, and Central America. Kahn's reports can be heard on NPR's award-winning news programs including All Things Considered, Morning Edition and Weekend Edition, and on NPR.org.