Almost as fast as the cheap, insanely addictive bath salts component known as “flakka” flooded the streets of South Florida more than two years ago, the drug seems to have vanished from the local scene thanks to an unprecedented coordination between federal, state, and local resources.

 

Nicknamed the “Devil’s Drug,” flakka is a synthetic crystal imported from China that, for a few months late last year, was sending dozens of Florida residents to the hospital every day. The drug is extremely addictive, and extremely cheap. It costs only $5, and users could experience a high that lasted …