"If you want to set it at a certain speed -- say, 'I don't want my kid going over 65 mph' -- it'll beep at them until they slow down, " said Michael Copeland, sales manager for manufacturer Davis Instruments.
Yet many others first learned of him after Tuesday, when a man -- whom authorities haven't identified, but neighbors and news outlets say is 65-year-old retired truck driver and Vietnam veteran Jimmy Lee Dykes -- approached his bus in Midland City.