D.C. SHOOTING UPDATE: Police say the gunman used a handgun inside a Washington, D.C., gym before firing a rifle from a patio balcony at four other individuals,

D.C. SHOOTING UPDATE: Police say the gunman used a handgun inside a Washington, D.C., gym before firing a rifle from a patio balcony at four other individuals, according to MPD Interim Chief Jeff Carroll. Carroll also confirmed a shotgun was used, but investigators are still working to determine wh…