All the heroin here in south Texas is now almost pure fentanyl. My son was a heroin addict who is on life support that will be discontinued in a few hours. He didn't OD, he had organ failure. If you don't know any dopers (unfortunately I know them all), go to a bus station or poor side of town and ask the working girls on the street. They will point you in the right direction if you give them $20. Good luck!