Early use of cops on the roads can be noted in the 1920's, when the Bureau of Investigation now know as the FBI was at war against the mobs. FBI was created in 1908 by the congress to protect the 4th amendment. In 1919 congress passed National Motor Vehicle Theft Act. The FBI had to enforced the number of cars being stolen to decrease. As time goes by the cars advance and so does police cars. Today police cars are some fastest vehicles in the world. Some examples are Dodge Chargers, Dodge Durango’s, Ford Mustangs, Chevy, and the list continues. Police has to deal with some of the most dangerous people on the road. Drunks, convicts, and anybody that is a threat on the road. Even though we sometimes feel that cops don't help us they really do.