Should Gadaffi have been killed or trialled?

Should Gaddafi have been killed or should he have been court-martialled and trialled for his crimes?

Jonny it's soft. -Weeeee

I don't really care myself. It was under the rebel's jurisdiction.

Goodbye my only friend. Oh, did you think I meant you?

This question alone does not suffice as a good Current Events topic. Consider discussing further here.

Catch my drift.