Right its now being shown that the lack of seretonin breakdown is a problem in known murderers:
In a study of convicted male murderers, Markku Linnoila of the National Institute on Alcohol Abuse and Alcoholism, working with colleagues within the federal government and at the University of Helsinki in Finland, have uncovered new data linking the impulsiveness of the murders with chronically low levels of a serotonin breakdown product in cerebrospinal fluid. Men who had committed murder without clear premediation had the lowest levels of the breakdown product, known as 5-hydroxyindoleacetic acid, or 5-HIAA. In addition, men who had killed more than once had lower levels of 5-HIAA than did one-time murderers. Linnoila's group describes the findings in the July ARCHIVES OF GENERAL PSYCHIATRY.
Remember Prozac is a Seretonin Reuptake Inhibitor (ie it prevents the body from getting rid of seratonin on purpose). So...are we inducing Sociopathic behavior...??