Raedwolf. If you are British, the penal system you are a stakeholder in is deterrent, rehabilitation and protecting society from dangerous people. The punishment is itself an equal factor. There are no side effects.

If you feel murder is justified, I suggest you piss off to a country where such views are tolerated? Be careful, even those countries occasionally examine their conscience.

On a lighter note, if you can be too obese to execute, The USA will abolish it through stealth eventually. Keep chomping the hamburgers and aerosols of cheese guys!