Quote Originally Posted by 313WX View Post
Passivity is the main effects of Marijuana. While Passivity in itself would actually lower the chance of that person committing a crime, passivity is the sympton of reduced cognitive activity. In effect, the smokers tend not to think things through as well as they would if they weren't under the influence of Marijuana. Thus, people under the influence of it, who were already inclined to commit a crime in the first place, may be more likely to commit the crime under the influence of Marijuana as they'll likely be quite passive about the consequences.
Impaired judgement is the main effect of alcohol. In effect, the drinkers tend not to think things through as well as they would if they weren't under the influence of alcohol. Thus, people under the influence of it, who were already inclined to commit a crime in the first place, may be more likely to commit the crime under the influence of alcohol as they'll likely be quite passive about the consequences.