So I used the natural light in the scene and moved the film lights back.

WSJ: Spielberg's Eye | Lincoln | Janusz Kaminski | Cultural Conversation by David Mermelstein

As a convoy of red and blue lights race toward the scene a sheriff's helicopter tracks the suspects from overhead.

NPR: Terror, Hope on the Streets of Compton, Part 1

Entomologists at the museum have set up a mock crime scene - complete with arc-lights, screens, a (thankfully fake) decomposing corpse and plenty of writhing Greenbottle maggots - as part of Science Uncovered: A Europe-wide event offering the public a rare insight into what goes on behind the public galleries.

BBC: Forensic science uncovered