'Good guy' with AR-15 rifle stops knife attack on neighbor, police say

'Good guy' with AR-15 rifle stops knife attack on neighbor, police say An Illinois man wielding an AR-15 rifle stopped a knife attack on another person on Monday, local police said. An Illinois man wielding an AR-15 rifle stopped a knife attack on another person on Monday, local police said. http://ift.tt/2FBPWaQ