The Left has always been pro criminal.
That is what got Rudy elected in the liberal city of NYC. The left had been so pro criminal for so long that the city had a real crime problem, and Rudy came in and made the city safe again.
When a horrid crime occurs against, against one of these pols, then the death penalty revision will be brought up again. The problem with the death penalty in the USA, is that it is never enforced in due time. Period.