The stereotype that goes hand in hand with mental illness which although seems to have improved over the years is still pervasive. Teplin, Abram & McClelland (1994) state that people in general believe that people with mental illnesses are more likely to commit violent crimes than those without mental illnesses. In their study they try to find evidence to support this claim, to find out whether having a mental illness increases the likelihood of violent crime and recidivism after release from prison. This author tries to find out the same thing by using similar data to find out if there is a connection between violent crimes and mental illness. The data collected in the Teplin, Abram & McClelland (1994) research was conducted in the Cook County Jail in Chicago over a six-year period, using interview techniques during the intake process of 728 inmates. They then followed the participants over the course of six years by monitoring their criminal records. What distinguishes this research from others is that they used a prison population versus a prison population. Typically, once in prison, the time spent there is long while in prison, the time of incarceration is usually much shorter as inmates are in prison for minor crimes or are awaiting trial. In any case, there is a broader shift and more opportunities to obtain long-term diversified data. Teplin, Abram & McClelland (1994) used a control group from the prison and mentally ill population, however, there had to already be a control group with an established diagnosis of mental illness in the subjects included in the sample. They used the independent variable of hallucinations and delusions with violence as the dependent variable which was counted only when not induced by alcohol or drug use. Researchers found that the hallucination...... at the heart of the paper ......oi:10.1002/cbm.819Glied, S., & Frank, R.G. (2014). Mental illness and violence: Lessons from the evidence.American Journal Of Public Health, 104(2), e5-e6. doi:10.2105/AJPH.2013.301710Teplin, L. A., Abram, K. M., & McClelland, G. M. (1994). Do psychiatric disorders predict violent crime among released inmates? A six-year longitudinal study. American Psychologist, 49(4), 335-342. doi:10.1037/0003-066X.49.4.335Dorn, R., Volavka, J., & Johnson, N. (2012). Mental disorder and violence: is there a relationship beyond substance use?. Social psychiatry and psychiatric epidemiology, 47(3), 487-503. doi:10.1007/s00127-011-0356-xAndel, R., Becker, M., Boaz, T., & Constantine, R. (2011). Gender differences and risk of arrest among offenders with serious mental illnesses. Journal of Behavioral Health Services & Research, 38(1), 16-28. doi:10.1007/s11414-010-9217-8