It ain't 1904 any more, snowflake. We have more tool, more technology, more awareness, etc. to get exponentially more accurate outcomes.
Those 156 people were all sent to Death Row after the resumption of capital punishment in the 1970's.
No, we aren't getting better outcomes. Cops still lie, labs make mistakes, prosecutors still withhold evidence, poor people often can't get good legal representation...
I'm not. I'm ok with government taking the lives of dirt-bags.
Except- again, even with all the safeguards, 156 people have gone to death row for crimes they didn't commit.