Whenever the word "" comes up, extremists from both sides start yelling out their arguments. One side says deterrence, and the other side says is not fair. Three of the most controversial points of are: The deterrent effect of , fairness with , and Cost of the Death Penalty. The people who are against say the death penalty is not an effective deterrent to crime. They believe using the death penalty as a deterrent to crime is like trying to knock down a brick wall with a rubber mallet. Their studies show that murder rates are lower in s ....