According to Jeffery Grogger of the University of California, which analyzed daily homicide data in California for a four-year period during which executions were frequent. Among his conclusions, "The analyses conducted consistently indicate that these data provide no support for the hypothesis that executions deter murder in the short term."

Do the death penalty deters crime? Since Illinois, under the law passed and signed by Former Governor Pat Quinn, has ended the death penalty has crime been deterred in the State of Illinois? (Look at some statistics) Illinois is set to eliminate cash bail in the year 2023. Will violent crime increase as a result of lawmakers ending cash bail?