Are they just taking pictures or are they checking the speed ? Ever wonder if its just a high powered scope to peer inside of the car to see what the driver is doing or maybe to see if it's a female or male driver.
I mean jokingly but technical at the same time, You could do what ever you want while sitting there in a high powered blue demon special waiting for your next date to arrive, ie. Tickets to give or other.
Let the conspiracy theories begin on this one.