WHY DO THE POLICE FORCES AROUND THE WORLD USE FAULY SPEED DETECTOR UNITS

HI all did you no tha t on board micro wave speed detectors are faulty and fraud as the public have a rite to no this as most police forces are using these devices as these device are proven to be faulty they are only serviced once a year by people who have no idea on what they are doing in this field as they suffer from shadows and suffer from electrical transmission in the car that they are set up in littles spike of power loss can cause these units to hip cup and even using a heater in the car can cause these units to mis read speed they also have got to be pointed at the objects that they are chasing they can not determin speed correctly as the locking system on these units does not lock correctly so whay are the police forces around the world using these micro wave speed detectors as they are fraud and taking the public at larges money http://home.iprimus.com.au/johnhpowlton/radar/radarUnits.html for more info please feel free to visit this site as lm the koolest cat on face book they have banned me and several others from commenting on there public site