I suppose if you're looking for a conspiracy you will find it but this isn't one of them. Black and white squad cars are nothing new. As a matter of fact, while self explanatory, this is how the term "A black and white" became synonymous for squad car.
http://en.wikipedia.org/wiki/Police_car
"...a police car may also be informally known as a cop car,
a black and white, a cherry top, or a jam sandwich."
__________________
"The towers are gone now, reduced to bloody rubble, along with all hopes for Peace in Our Time, in the United States or any other country. Make no mistake about it: We are At War now -- with somebody -- and we will stay At War with that mysterious Enemy for the rest of our lives." H.S.T. 09/12/01