When you consider that the Fairfield demographics are not representative of small towns in Iowa or the USA in general, the stats are not impressive. What percentage of Fairfield's population is TMers or New Age folk? Hardly the sort that have criminal tendencies to begin with. It's a shame that TM got into this whole scientific proof gamesmanship. I taught TM and residences courses for 33 years. Although I put a lot of emphasis on scientific research in my lectures, I'd guess that maybe 10% started for that reason. For almost everyone, it was because a friend of family member suggested TM or they had a good vibe from the lecturer. And the price and scientific approach actually turned a lot of people off who might have otherwise started. Of course this has been debated ad nauseam. I sincerely wish you well in your goal of becoming a TM teacher.