Crown victoria
GPS vehicle tracking system is most used by police. You can read more about GPS at en.wikipedia.org/wiki/GPS_tracking_unit
steel
Most just capture plates and are very accurate
The first police car was an electric vehicle used in Ohio in 1899
The most common guide and police dog breeds are the German Shepard and Labrador retriever.
In most (if not all) states, it's illegal for a private citizen to have a vehicle that marked as an official vehicle - regardless of whether it's a police ATV or a water department car. This is why used police cars are painted over (usually badly) and have the lights/sirens removed before being sold. It's not illegal to have the same model of ATV as the police do, as long as it isn't marked to impersonate a police vehicle.
Used police bikes can be found at police vehicle auctions. They are also available for purchase on Websites such as eBay Motors, or for sale on Craigslist.
There are many codes on police reports. The most common are crime reporting codes used by the FBI to classify crimes and maintain the national database.
Yes vehicle tracking devices can be used on your vehicle without your knowledge. If you find this to be the case and it was not put there by the police it is illegal.
Doppler effect
A bait car is a vehicle used as a decoy by police to apprehend car thieves.
The word police is a common noun, a word for any police.A common noun can become a proper noun if it is used for the name of a specific person, place, thing, or a title, such as the New York City Police Department or the movies 'Police Academy' and 'Police Academy 2'.