The Dunedin Multidisciplinary Health and Development Study: Rehabilitation for Criminal Offenders and Traces of Negative Behavior Visible During Childhood, the Role Played by Genetics, and the Role of Illicit Drug Usage Affecting Behavior – The Demographic Responsible for the Majority of Criminal Activity World Wide, the Total Economic Cost of Violent Criminal Offences During the Lifetime of an Offender, the Life Time Economic Cost of a Violent Offender, the Efficacy of Rehabilitation During Incarceration, the Opportune Age Bracket to Intervene and Reduce the Chance of Incarceration During Adulthood, the Concept of “Physiognomy”, the Person Who Created the Concept of the Criminal Database, the Aspect of the Criminal Database Still Utilized During the Modern Day, the Argument of Nature vs the Argument of Nurture, the Dunedin Multidisciplinary Health and Development Study Pattern Correlated With Criminal Behavior, the Effect of Being Abused as a Child During Adulthood, the Dunedin Multidisciplinary Health and Development Study Searching for a Gene Related to Criminal Behavior, the Person Who Helped Enable This Project, the Gene Related to Violent Crime, the Effect of Not Possessing the Monoamine Oxidase A (MAOA) Gene, the Number of Human Beings Who Have a Weak Monoamine Oxidase A Gene, the Reason Rhesus Monkeys are Utilized to Study Genetics and Criminal Behaviors Within Human Beings, the Reason Rhesus Monkeys Were Used to Study the Monoamine Oxidase A Gene, the Correlation Between Human Beings and Rhesus Monkeys, the Social Result for Rhesus Monkeys With a Weakened Monoamine Oxidase A Gene, the Correlation Between Childhood Abuse, Monoamine Oxidase A, and Antisocial Behavior, the Co-Factors Which Often Result in Violent Criminal Behavior, U.S. Scientists Confirming the Data of the Dunedin Multidisciplinary Health and Development Study, the Hypothesized Leading Cause of Disability by 2025, the Total Economic Cost of Depression Within the U.S. Annually, the Dunedin Multidisciplinary Health and Development Study Confirming the Correlation Between Genetic Predisposition and Depression, the Result of Having the 5HTT Serotonin Transporter (Solute Carrier Family 6 Neurotransmitter Transporter Serotonin Member 4) (SLC6A4) Gene, the Result of Having the Short Version of the 5HTT Serotonin Transporter Gene, the Correlation Between Genes and Life Events, the Number of Patients Who Suffer From Schizophrenia, the Gene Related to Schizophrenia, the Correlation Between Cannabis and Schizophrenia, the Reason Cannabis Usage Can Affect Intelligence, the Effect of Habitual Cannabis Usage During Adolescence, the Most Probable Cannabis Users to Experience Intelligence Degradation, the Average Intelligence Quotient Score of Cannabis Users Who Begin Consuming During Adolescence, the Effect of Losing 8 Intelligence Quotient Score Points, Alternative Studies Confirming the Dunedin Multidisciplinary Health and Development Study’s Discoveries, the Impact of Habitual Cannabis Use During Adolescence, the Benefit and Disbenefit of Genetic Predisposition, the Pros and Cons of Individual Genes, the Concept of the “Dandelion” and “Orchid” Personality Types, the Reason Nature Diversifies During Evolutionary Shifts, the Variable Which Can be Shifted When Genetic Predisposition Exists, and the Best Investment Society Can Make to Avoid Future Criminality