'Pre-crime,' 'smart' bullets, driver data and privacy

A few recent stories related to law enforcement technology caught Grits eye:

• The Atlantic: Homeland Security's 'pre-crime' screening will never work
• Slate: Would mandatory car data recorders protect or violate driver privacy?
• Women in Crime Ink: The 'smart' bullet is on the horizon
• Wall Street Journal: Drone use takes off on the home front
• Fort Worth Star-Telegram: DFW authorities increase surveillance tech