With the amount of super villains roaming the streets of Gotham and the massive body count that inevitably follows in their wake, has the death sentence ever been introduced to try and handle the crime epidemic?
Incarceration doesn't seem to work as [ insert any super villain's name here * ] escapes ArKham / Blackgate whenever he / she feels like it.
Have we ever seen the death sentence put to use in Gotham, even for a short period of time?
* Extra points if you can tell me who that guy is on the left, in front of Killer Croc and behind Scarecrow in that rogue's gallery picture