Parenting Teenagers (12-18) Support Group
This community is focused on the joys, challenges and concerns faced by parents of teenagers (12 to 18 year olds). The major areas of child development include: physical development, perception and sensory development, communication and language development, cognitive development, emotional development and social development.
If the junkie was not your sons father, it would be a simple no.
Does your son know that his father has the addition gorilla on his back?
The guy that will drive is a decades long friend of a junkie, that doesn't signal non drug use.
If there is any reason to think that the driver guy is a user, then I don't think you can let him drive your son