Reddit reviews Tainting Evidence : Behind the Scandals at the FBI Crime Lab

>I am assuming the guilty have been figured out with the use of DNA evidence.

You're assuming that the prosecutor or investigators would never present falsified evidence. That is not the case at all. [Note: Each word is a separate link.] In fact, I would argue that this is already enough reason for capital punishment to be considered morally wrong and shouldn't be allowed.

“It is better that ten guilty persons escape than that one innocent suffer.” - William Blackstone