CENTENNIAL, CO. - JULY 27: Catherine Williams fires her handgun during a Multi-State Concealed Carry class at the Centennial Gun Club shooting range in Centennial, CO July 27, 2013. The number of people seeking a concealed carry gun permit in Colorado has increased by 87 percent from last year. Williams said she decided to take the class after seeing a recent video of a New Jersey mother being beaten during a home invasion. (Photo By Craig F. Walker / The Denver Post)