Mystery oil spills blot more than 130 Brazilian beaches

The source of large blots of oil staining more than 130 beaches in northeastern Brazil remained a mystery Tuesday despite President Jair Bolsonaro's assertions they came from outside the country and were possibly the work ...

High court troubled by warrantless GPS tracking (Update)

The Supreme Court invoked visions of an all-seeing Big Brother and satellites watching us from above. Then things got personal Tuesday when the justices were told police could slap GPS devices on their cars and track their ...

Drones become crime-fighting tool, but perfection is elusive

The armed robbery suspect hiding out in a camper in rural Michigan heard state troopers closing in, so he dashed into a field and crouched among the 6-foot-tall cornstalks. What he didn't know was that police had eyes on ...

How big data helps first responders

Police officers and firefighters are leveraging big data to do their jobs more efficiently and more accurately.

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