Names; let's have them. And not from YOU; we'll be needing a credible source, if you don't mind.
Howlin, that is BS. If he provides a source then you judge the source, not the person that provided it.
His (his/her) point is that people have been convicted and received the death penalty only to be found innocent later. Is this true? And if so, what is the point of the personal attack you wage to discredit it?
Any Google Search, a USA Today Search, even the unreliable NY Times.com search.