8/19/1969 Roman Polanski, Voyteck Frykowski, the FBI Investigation of a shipment of Narcotics
It is very possible that Charlie or another Manson family member had bought or even sold drugs to the occupants of the Polanski house. Voytek Frykowski was a huge drug user. Jay Sebring spent so much money on dope that his hairstyling business empire was being threatened. Abigail Folger did a lot of drugs along with Voytek.
Charles Manson talks drugs coming from Mexico City
Charles Manson was a drug dealer, being a part of how he got to know the Hollywood types.