Studies on cannabis use and links to criminal behaviour, or lack thereof?

So, I’m trying to educate someone who is convinced that anyone who smokes weed will start a life of crime to fund their newly formed drug addiction. Personally, as someone who used to smoke it with many friends in my youth, none of whom became thieves or criminal masterminds to buy weed, believes this guy is talking out of his arse.

Instead of denigrating this person for their ill informed opinion, I’d like to teach and educate. So, can anyone please provide evidence to the contrary?

Edit: Not sure why I’m being downvoted. I’m an advocate trying to educate someone that weed doesn’t turn someone into a criminal addict.

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