But they make up 20 percent of the drug users.

Drug users who live in the old days should remember that things have changed.

"And you can tell the drug users from just looking at them," he said.

"You have to remember, 85 percent of all drug users go back to it."

She asked her son for the names of drug users at his school, and gave the list to the police.

Some of the victims were known drug users, the police said.

Those who work with the girls say drug users are rare.

But one of them, it turned out, had been with a drug user.

Thus the government is able to control activities for the protection of drug users and society.