It would be interesting to know how many of these searches came about because of simply asking the driver if they can search.
Cops need probable cause to search a vehicle, unless the driver gives permission.
So the cop, without PC, asked the driver if they have anything illegal in the car (which is perfectly ok). The driver says no and the cop says, “you don’t mind if we look in the car then“. If the driver agrees, then the cops search the car...every time.
Maybe minorities say, “sure I have nothing to hide” more than whites. Maybe minorities from some countries fear the police will choke them to death after they have them in handcuffs and are more inclined to agree to the search.
peace to you