A Money Trap

A police officer had a perfect hiding place for watching for speeders. But one day, when everyone was under the speed limit, the officer found the problem: a 10-year-old boy was standing on the side of the road with a huge hand painted sign which read, "RADAR TRAP AHEAD."

A little more investigative work led the officer to the boy's accomplice, another boy about 100 yards beyond the radar trap with a sign reading "TIPS," and a bucket at his feet, full of change.