The neighborhood had changed since the abandoned building became a hideout for drug-fiends.

Neighborhood residents organized a patrol to keep drug pushers from loitering near the school.

At the airport, drug dogs searched every luggage compartment before the passengers boarded.

Neighbors complained to the police after discovering drug fiends loitering outside the apartment building late at night.

Researchers tested several drugs in the market for their effectiveness against the new strain.

After midnight, they went on a drug run to restock for the weekend.

Customs officers discovered several controlled drugs hidden inside the shipment of perfume.

Police arrested members of a gang suspected of organizing multiple drug runs that supplied the city with illegal narcotics.

The pharmacist refused to dispense the controlled drug without proper authorization.

Before the athlete could compete, he was required to submit to a drug test administered by the governing body.