Soldato
Nope and nope some more.
It isn't a deterrent and it is not punitive or a punishment, its pure revenge and that never ends well. In addition the justice system in some so called '1st' world economies is as gamed as some of the more corrupt 3rd world systems, you only have to look at some the cases in the US of miscarriages of justice to see that evidence and fact can sometimes have very little effect on the decision of a jury.
Some great inside looks on BBC3 at the effect on both the victims and perpetrators families at the below link while running up to a death sentence being carried out.
http://www.bbc.co.uk/programmes/b071jy7p/episodes/player
It isn't a deterrent and it is not punitive or a punishment, its pure revenge and that never ends well. In addition the justice system in some so called '1st' world economies is as gamed as some of the more corrupt 3rd world systems, you only have to look at some the cases in the US of miscarriages of justice to see that evidence and fact can sometimes have very little effect on the decision of a jury.
Some great inside looks on BBC3 at the effect on both the victims and perpetrators families at the below link while running up to a death sentence being carried out.
http://www.bbc.co.uk/programmes/b071jy7p/episodes/player