eye-in-the-sky

eye in the sky

Overhead surveillance of some kind, such as a camera or a police helicopter. Guys, that store we robbed had an eye-in-the-sky—the cops are definitely going to find us! The eye-in-the-sky illuminated the fleeing suspect as officers pursued him on foot.
See also: eye, sky
Farlex Dictionary of Idioms.

eye-in-the-sky

n. an overhead surveillance camera, usually in a dome; a traffic police helicopter. The cops used an eye-in-the-sky to get the evidence and make the arrest.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • eye in the sky
  • be (sitting) on (one's) tail
  • mouth on
  • mouth on (one)
  • leg it
  • beat cop
  • hide away
  • hole up
  • cop
  • bent cop