I just want to weigh in that I am really glad that none of those falsely convicted by this faked evidence were sentenced to death. At least those falsely imprisoned by the "evidence" this scum planted can be set free, even though they lost years of their lives.

And that is the argument of why there should not be a death penalty, even for people who you are really sure that they really deserve it. It's a form of humility: To admit that there can be wrongs in the legal system, and so to be very sure not to do anything completely irreversible.

That's why people argue that the death penalty is unacceptable in any case whatsoever: the system has to be able to admit that sometimes it is wrong.