Almost all cops I know are specifically told to take all things that could identify them as cops or friends of cops off their cars, windows, etc. since there is

Almost all cops I know are specifically told to take all things that could identify them as cops or friends of cops off their cars, windows, etc. since there is so much targeted violence and crime specifically directed against police. And this is in relatively safe NJ suburban areas. Tires on their personal cars get slashed all the time due to having a badge in a window or similar.