Gunman who killed 61-year-old woman and a 16-year-old girl at a St. Louis school brought a long gun and 12 magazines, police say  CNN

Special Operations Member Reveals Best Gun To Win A Shootout: VIDEO  Outkick

Gun violence in Knoxville nearly doubled in three years  WVLT

Annual Gun Violence Awareness and prevention event date set  WSAZ-TV

13 Steelers players fined in relation to machine gun-like interception celebration  TribLIVE

Gun used in shooting of Philadelphia-area officer also used in drive-by hours earlier, authorities say  Fox News

Pediatric Gun Deaths Are A Massive Problem in the U.S.  Scientific American

Sahuarita preteen arrested after allegedly bringing gun to school  KOLD

Readers Write: Gun violence, various prices  Star Tribune