During the 1980's, heroin seemed to lose its appeal as the drug world discovered crack.

Much has changed in the drug world since fentanyl first became a killer.

Taylor's supposed to be pretty deep into the drug world.

These agencies are dependent on local and state law enforcement officers who have the street interactions with members of the drug world.

"I was thinking, 'Why would they inconvenience all these people who are not part of the drug world?' "

All the assumptions we had about the drug world are being shook up a little bit.

Still, it is not always easy to get out of the drug world, particularly for teen-age gang members.

Even after 'drying out', they may feel strongly pulled back into the drug world.

He was a young guy looking to come up in the drug world.

But he was still, he said, heavily into the drug world.