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- Some studies have concluded that the threat of capital punishment deters murders, saving large numbers of lives; other studies have concluded that executions actually increase homicides; still others, that executions have no effect on murder rates.
nap.nationalacademies.org/catalog/13363/deterrence-and-the-death-penaltyDeterrence and the Death Penalty - The National Academies Press
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Aug 8, 2024 · If the death penalty is not a proven deterrent to murder, is it worth the excessive costs, risks of error, uncertainty of completion, and other problems that are inherent to its practice?
When there are executions, violent crime decreases. But there have also been claims that executions “brutalize” society because government agencies diminish respect for life when the death penalty is applied. With brutalization comes an increase in violent crime, and especially homicides.
Dec 20, 2019 · “One argument for the death penalty is that it is a strong deterrent to murder and other violent crimes. In fact, evidence shows just the opposite. The homicide rate is at least five times greater in the United States than in any Western European country, all without the death penalty.
Jun 26, 2023 · A 2009 survey of criminologists revealed that over 88% believed the death penalty was NOT a deterrent to murder. The murder rate in non-Death Penalty states has remained consistently lower than the rate in States with the Death Penalty.
If the death penalty did deter, we would expect murder rates to rise once the deterrent was removed (notwithstanding the fact that murder rates are affected by many factors beyond the criminal justice process).
Evidence from around the world has shown that the death penalty has no unique deterrent effect on crime. Many people have argued that abolishing the death penalty leads to higher crime rates, but studies in the USA and Canada, for instance, do not back this up.
The Criminal Justice Legal Foundation has collected many of the recent, controversial deterrence studies, including ones by Hashem Dezhbakhsh, Paul H. Rubin, Joanna M. Shepherd, H. Naci Mocan & R. Kaj Gittings and others claiming a deterrent effect to the death penalty.