That is using a very narrow view of "mental health" when discussing such an enormously broad range of behaviors. The core of "criminal behavior" is a basic lack of understanding of right vs. wrong and/or the lack of self-control necessary to have it regulate your behavior. By any account, that is a matter of proper mental health. Ultimately, whether you believe that to be true or not does not change the fact that the 3 points outlined are the best approach to legitimate "change". It is a simple as the age-old expression, "an ounce of prevention is worth a pound of cure".