“I don’t think America is going to be a better place when people of all ages, and particularly young people, are smoking pot,” Sessions said to gathered reporters at the Department of Justice . “I believe it’s an unhealthy practice, and current levels of THC in marijuana are very high compared to what they were a few years ago, and we’re seeing real violence around that.” The stats don’t necessarily bear that out: A 2014 study showed no increase in violent crime and “some evidence of decreasing rates of some types of violent crime, namely homicide and assault.”