No, we'd have the same amount. Those who kill murderers are themselves murderers, driven by prehistoric human anger.
It's likely the case that it wouldn't be a one to one correspondence between murderer and retribution murderer so you'd probably be wrong there.
Joking aside, I'm not a fan of murder as a solution to murder, but if I had to choose between one and the other, I'd rather the retribution motivated one. It's the lesser evil. One might murder me for any number of reasons for personal gain while the other would do so if I committed the crime of murdering. I'll take my chances.
Wow, I'm surprised how many people on here are so pro-death penalty.
1) What if a person is wrongly convicted? You can't undo a death penalty.
2) Even if you kill the murderer, it's not like the dead person will come back to life. I think people should be given a second chance to repent. A person who has realized what they have done is wrong and turn themselves for the better, is better than a person who is killed without realizing their wrongdoings. There is no justification for murder, and people should most definitely pay for their actions, but taking their life is a terrible thing.
Sure one may argue that those who see no value in life should not deserve life. But if we as a society value life more, and give them a chance, maybe that would be the more constructive thing to do.
I know I sound like a idealistic liberal (Honestly I'm a realist conservative at heart lol ) but I have seen truly terrible people who have turned from what they've done and it is really a great thing to see. It's amazing to see and hear of those accounts. Sure, they have done wrong in the past, yes they are still paying for it, which they should. I also agree there is nothing they can do to undo the hurt. There are also many who will never see their mistakes. But why should we give everyone death penalty for those who will never realize they're wrong, rather than giving everyone a chance for those who are truly sorry for what they've done?
I'm not pro-death penalty either but I do feel your argument is too idealistic. Deaths certainly can't be undone but if you look at the raw percentages, the number of wrongful convictions probably pales in comparison to the correct ones. It's definitely a scary thought to think that there can be wrongful deaths but it's a statistical tradeoff.
As it currently functions, prison hardly rehabilitates inmates. Until that is fixed, criminals that come out of prison are usually more hardened and cunning than before and are likely to cause more collateral damage to society either by committing another crime or by corrupting and dragging another person into the cycle.
The death penalty certainly is a flawed solution but it has some merits. There are worse solutions and there are better solutions. Frankly, I don't see the "giving a second chance" as a really sound solution to be honest. The better solution would be to minimize the chances of running into this dilemma to begin with, not primarily waiting for crap to hit the fan and then deal with it.