"Not only does it deter crime, it also allows residents to flag down an officer that they might not otherwise know is in the ...

Across much of the United States, early police cars featured only a single, non-flashing, red emergency light at the front of the car ... brighter both day and night. But, there are also ...

If you've driven by a police car parked on the side of the road at night and noticed a red light coming from inside, it's not because the officer is getting abducted by aliens or some other oddity.

In the crime’s aftermath, HPD tried to reassure drivers that they didn’t have to pull over for unmarked police cars and eventually banned flashing lights ... the last night she was seen ...

PHILADELPHIA (CBS) -- Philadelphia's new police commissioner took action this week to turn off the red and blue bar lights on top of squad cars ... be harder to spot at night and before the ...