Capital Punishment Should be Abolished Evidence suggests that the death penalty does not deter people from committing crimes. It is a cruel and cold blooded form of punishment and there have been instances where innocent people were sentenced to death and later found to be innocent. The most common methods of execution are hanging and shooting. Countries like the U.S. use electrocution, gas chambers and lethal injections to dispose of the convicted. Some countries, like the U.S., have tried to minimise the pain of execution by introducing the electric chair. In some parts of the world, more pain