"People think because it's pure, you can smoke it, snort it — that it's safer," explains Drug Enforcement Agency Special Agent Bill Hocker.
Recovering addicts say anyone thinking about trying heroin should think again.
"They might as well put a gun to their head and kill themselves," says Wanda, forming the shape of a gun with her fingers and pointing it at her forehead. "It's suicide."
"I wouldn't let my worst enemy do it," adds "T." "Once you learn how it feels, you're on that track and there's not much that's gonna help you."
The Washington/Baltimore HIDTA predicted in its February situation report, "The number of heroin addicts in [Baltimore] will continue to rise."