Answer:
This is a controversial subject as capital punishment in general is a system being scrutinized. However, there tends to be a shift towards making capital punishment as humane as possible. In America right now, lethal injection has been given much support for being quick and painless... and therefore seen as more humane. However, new data has shown that a person put through lethal injection can still feel feel pain. It is now being criticized as well for being an inhumane method of capital punishment. Much more information can be found in the wikipedia site, if searched Capital Punishment.