In this Thursday, Oct. 1, 2015 photo, Fresno Police officers cover the body of a person after two were fatally shot at North San Pablo Avenue and East Barstow Avenue in Fresno, Calif. Fresno police identified deceased as brothers as Willie Ford, 19, and Denzel Ford, 18. A third brother, 17-year-old Benzo Ford, died July 12 when a bullet fired from a nearby alley came through a window into a bedroom. Police say they believe he was targeted. (Silvia Flores/The Fresno Bee via AP)

Mass shootings grab headlines, but others go under radar

Mass killings like the one Thursday at Umpqua Community College in Oregon, scraped nerves raw, commanded headlines and prompted an anguished…