[elektromekatron]

Citation needed. I'm not aware of people who have been persuasively shown to be innocent post-execution.

In that case you have done very little research and cannot really be trusted to have an informed opinion on the matter.

[monochromatic]

I'm aware of death penalty abolitionists who argue that innocents have been executed. I'm not aware of persuasive evidence. If it were trivial to find some, surely you would have just posted a link instead of an insult.