A woman was walking to her car in Portland, Maine, when a man armed with a knife approached her and demanded money. The woman refused and got inside her vehicle, where she retrieved a gun. The woman then pointed the firearm at the criminal, prompting the thief to flee the scene. (The Portland Press-Herald, Portland, Maine 06/08/15)
http://www.pressherald.com/2015/06/08/portland-police-seeking-man-who-drew-knife-in-robbery-attempt/