Is São Paulo's drug treatment program working?

Recent crackdown on "drug traffickers" may account for the startling drop in the number of addicts
InSight Crime
Wednesday, January 21, 2015

Authorities say crack use has dropped 80 percent in São Paulo's notorious "Crackland" district since the implementation of With Open Arms ("De Braços Abertos"), a government-sponsored drug treatment program initiated in January 2014, reported a municipal government office in São Paulo. But there are reasons to doubt the initiative's reported success.