There is no evidence that capital punishment has deterrent effect on murder. [Synthetic control method comparing American states that abolished the death penalty with comparable states that retained it] User DonManuel, in the /r/Abolish: Abolish the Death Penalty subreddit, 16 Sep 2021
There is no evidence that capital punishment has deterrent effect on murder. [Synthetic control method comparing American states that abolished the death penalty with comparable states that retained it] User smurfyjenkins, in the Reddit Science subreddit, 16 Sep 2021