Multiple people wounded in downtown Tucson shooting; suspect neutralized by police

On a July afternoon in downtown Tucson, a gunman opened fire in a crowded district of restaurants and sidewalks, wounding nine people before police arrived and shot him. The same day, mass shootings struck Minneapolis as well, leaving at least nineteen people injured across two cities in a single calendar day. One woman's quiet vigilance — spotting the gunman outside a pizza restaurant and warning those around her — may have kept the toll from rising further. These clustered incidents press an old and unresolved question back into the light: what conditions allow violence to arrive so suddenly