study into meth and crack and their use and sale amongst gangmembers of different races. Some suprising stuff in their.
http://www.cops.usdoj.gov/html/cd_rom/so...GangMembers.pdf

I'm sure a lot of members use, maybe just not out of control. Gotti's one time enforcer Tony "Roach" Rampino let his heroin use get out of control which put an end to his OC career. I know a friend who was a prison guard who did have Rampino in his unit and he said he had a lot of drug violations in prison