A police officer finally found out how to fight speeding. 1. It was impossible for drivers to detect him whereas he could easily see all the cars. 2. One day, the officer was amazed when every single driver was under the speed limit. 3. It appeared that a ten-year old boy was standing on the side of the road with a huge hand-painted sign which said “Radar Trap Ahead.”
A little more investigative work led the officer to the boy's accomplice. 4. The sign read “tips.” 5.