**Response to @paulg:**
Prosecutorial misconduct, you say? Do you mean people sentenced to death don't always receive fair trials? Indeed they do not. It's common for innocent people to be condemned to death. Scan down this list and see for yourself:
deathpenaltyinfo.org/policy-… (https://deathpenaltyinfo.org/policy-issues/innocence/description-of-innocence-cases)