What you're describing is called a bait car and cops have been using them for decades. Back in the day typical bait cars were shitty cars with aftermarket sound

What you're describing is called a bait car and cops have been using them for decades. Back in the day typical bait cars were shitty cars with aftermarket sound systems. Made for interesting reality TV (for the standards of reality TV at the time). https://en.wikipedia.org/wiki/Bait_car https://en.wikipedia.org/wiki/Bait_car