I usually carry a pistol when I'm out for the 'just in case factor.' You never know when some punk will want to try to rob you, steal your vehicle or try that on anybody around you. If I were to see a robbery going down I couldn't just sit and do nothing. Calling the police is a start but what if there are not any units close? These punks need to know we are not going to take their crap any more!
I ususally do as well