The use of physical force, in and of itself, is not evil — but to initiate (start) force is.
Under capitalism, a crime is any act that is a violation of the rights of another.
Criminals are those who choose to violate the rights of others.
Justice’s first purpose is not to punish evil; it is to reward the good.
As the sale or use of any drug is not a violation of anyone’s rights, government’s role in such matters is laissez-faire — to leave them alone.
A gun is a non-volitional object. Guns have no power of choice.