Maybe feed inmates prime rib and lobster. Give them gold leaf bed sheets and personal trainers while they lift weights and break stones too.
Look up how much money it costs US to keep these scumbags alive in jail, those figures will blow your mind. And for shits look up how much a death penalty costs too, just incase someone thinks it is just cheaper to kill them.
Human rights are fine for people that diserve them. People that kill, rape, lie, cheat, steal, beg for a living are not human in my book, so fuck them.