Mafia 16. I.A.O

Check out what I found:
Mandrake root is a narcotic substance. This implies:
1) Haven has this in its profile:
Travel to parallel worlds
Isn't that a drug-related thing?
2) The members of the band Sum 41 once starred in a short film where they played two drug dealers.
So far, everything

Added 2 minutes ago

P.S. The second one relates to ArandorE

Added 30 seconds ago

I mean, he has their song in his signature.