He was a murderer without doubt. To his credit, he did do something about a foreign force occupying his country. Can't say the same about plenty of people who protest about what they perceive as the Islamification of the UK plc.
Besides, the British government was armed to the teeth, all he had was a whip round from The Archway Tavern, Gaddafi's cast offs and a few dollars off the Paddy Yanks.