"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." But the primary purpose of any decent detector is to sniff out various types of police radar—X, K, and Ka ...

Police officers use radar to assess whether you’re speeding. And despite what many people may think, if you don’t live in Virginia, Washington D.C. or Mississippi, it’s perfectly legal to use a radar ...

LAURIE, IF YOU’RE A LOCAL POLICE OFFICER RIGHT NOW, YOU CAN USE TECHNOLOGY AS ADVANCED AS INFRARED SENSORS OR AS SIMPLE AS USING A STOPWATCH TO MEASURE HOW LONG IT TAKES SOMEBODY TO GET FROM POINT A ...