Criticising the death penalty and agreeing with you o_o
To make it clearer cos my explanation may be off: people who are executed may be innocent as proven by the today's science but there may be new techniques that prove them innocent in the future.
It just bothers me because science is not always true 'fact' even if there is loads of proof for it. A lot of cases are ruled by the 'scientific evidence', so taking a life based on that reason is not warranted. DNA evidence is just an example of that.

Better? I think I'm confusing. *gives up*

In summary: I agree with you!