A police job is a tough work since you need to catch some criminals. It means that your life is in danger since these criminals would have all the means to kill you. They are not going to give up their freedom just to help you do your job. For them, it is also a matter of life and death. Most of the time, the chase could lead to one of the parties dying. It doesn't mean that you would survive as there are no guarantee from this line of work. You could lose your life in an instance. A police must have a police car to chase the bad guys with since most bad guys plan to escape from the scene of the crime.
In this game, you would need to drive the car to the parking slot twice and get the hell out of there are fast as you can. Let's forget about guns in this game as you are not going to deal with it. Instead, let's focus on the driving part as this game is all about that. The game would be harder and more difficult as you make some progress. Make sure that you are able to make those dangerous curves to finish each level,