The music was turned off and the main lights were turned on.
During a typical raid, the lights were turned on, and customers were lined up and their identification cards checked.
The entrance fee on weekends was , for which the customer received two tickets that could be exchanged for two drinks.
Patrons were required to sign their names in a book to prove that the bar was a private "bottle club", but rarely signed their real names.
Days after the raid, one of the bar owners complained that the tipoff had never come, and that the raid was ordered by the Bureau of Alcohol, Tobacco, and Firearms, who objected that there were no stamps on the liquor bottles, indicating the alcohol was bootlegged.
Historian David Carter presents information indicating that the Mafia owners of the Stonewall and the manager were blackmailing wealthier customers, particularly those who worked in the Financial District.