The police say they acted after hearing reports of drug dealing in the run up to a warehouse party.
At other warehouse parties youngsters have taken the drug Ecstacy.
Tomorrow night plain clothes officers are expected will mix with dancers at the warehouse party, ready to catch anyone selling or using the drug Ecstasy.
Instead, it was a warehouse party in Bushwick, Brooklyn.
But they feel most at home and creative, they say, working the lower-paying warehouse parties in Brooklyn.
Some cite the success of Raves and warehouse parties, for which it's essential to look the part.
In 1988, the music played at warehouse parties was predominantly house.
The film begins at a warehouse party with loud music that is attended solely by gangsters.
This went beyond the music itself to the fashions, warehouse parties and subcultures that were finding their feet at the time.
They also performed in warehouse parties around Brooklyn.