Capital Crimes

Is there something more unfair about the disparity in legal quality when talking about capital crimes? Yes, there's definitely a flaw in a system where the rich can pay for a better chance at a favourable verdict. But that's not a problem with the death penalty itself, and fixing it would require a complete overhaul of the criminal justice system. Let's attack capital punishment in the ways it's really vulnerable - fundamentally, idealogically, and Constitutionally.