Why do Mexico’s drug gangs target rehab centers?

According to Mexico’s El Universal, at around 5:30 p.m. on June 7, five vehicles pulled up outside the Victory Center for Alcohol and Drug Rehabilitation in Torreon, Coahuila, in northern Mexico. A gang of heavily-armed men emerged from the cars, and burst into the clinic. Methodically moving from room to room, they opened fire on everyone in sight, killing 13 patients and workers. Read Article