I had a ex-friend(went to middle school with him) die recently from a drug overdose, and when I was talking with his parents on the way to the burial site his d

I had a ex-friend(went to middle school with him) die recently from a drug overdose, and when I was talking with his parents on the way to the burial site his dad said that he could take him to any town in the U.S. and he could find heroin, get back to the hotel, and get high in under an hour. I don't think supply is limiting the amount of drugs that abusers are doing.