Despite an overall decline in urban violence since the early 1990s, the past century has witnessed a series of dramatic and bloody events that have prompted law enforcement to examine their tactics and demand more sophisticated equipment to deal with perceived threats. Significant police reforms – from domestic surveillance to SWAT teams and special training on “urban warfare” – have been sought since these flashpoints of violence. Learn more about flashpoints in urban violence in our new timeline feature.
Video has surfaced online of the deadly SWAT raid earlier this month in Arizona that ended with police killing a military veteran. Jose Guerena was an honorably discharged Marine who served two tours in Iraq. There’s now a dispute over whether Guerena had any connection to criminal activity. Read more about the case on Wired’s Danger Room blog.