Law enforcement agencies use helicopters for surveillance, tracking, and transportation in traffic-choked cities. How fast ...

A coalition of educators, school districts, and unions filed a complaint in a Massachusetts federal court on Monday against the Trump administration to prevent the dismantling of the US Department of ...

A rash of sightings of Chinese police cars in Australia's major cities may not be as ominous as many on social media are saying. Accusations of intimidating behaviour by pro-China supporters in the ...