While the ability to track 'flash mob' lawbreakers on Twitter and other social media platforms offers a powerful, futuristic vision for policing, real-life police response has so far been more Sherlock Holmes and less Blade Runner.
Obama's nomination of Andrew Traver to head the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) reignites concern that the White House wants to whittle away at gun rights. The last time that happened, Americans armed up.
A few police in San Jose, Calif., will test ear-mounted video cameras to record their interactions with the public. The pilot technology advances the police point of view at a time when bystander cellphone video often shapes perceptions of police behavior.