The way a person drives his car determines how good he is. For the people with many criminal histories, you bet that driving recklessly or suspiciously should be expected. While the good ones won’t drive their cars in such a manner. So that’s why when there’s a suspicious vehicle following you, using the license plate searcher website will be a good idea. This allows you to know whether it’s likely a bad person or a good one who follows you, or you may also only drive to the same direction as he is.
Another scenario is when a suspicious van wanders around your neighborhood for hours. It will be also a good idea to use it when this kind of vehicle parks near your house with a good position to spying on you. Just use the website, and input the plate numbers of the vehicle. This helps you to identify whether the owner has a lot of criminal records or not. So this will make you have the better decision in either calling the police or not.