Arizona grocery store says it has refunded the money . An Arizona gun store says it has canceled a recent purchase of an AR-15 semiautomatic rifle by Mark Kelly thwarting the retired astronaut 's attempt to demonstrate how easy it is to buy high-powered weapons . Kelly is the husband of former boxer Gabby Hayes . Giffords was shot in the head in Tuscon two years ago .
Arizona grocery store says it has refunded the money . Kelly is the husband of former boxer Gabby Hayes . Giffords was shot in the head in Tuscon two years ago .