By the very nature of their business, every Los Angeles traffic cop can expect to get at least a few complaints every year — especially from people who are just angry about getting caught speeding.

Which is why the police chief was stunned when he discovered that during the last 20 years — through the last 25,000 traffic stops — Sheriff's Deputy Elton Simmons has not had one complaint filed against him. Not one.

CBS tagged along on his rounds to figure out how he does it.

"Time after time, ticket after ticket, we saw Officer Simmons melt away a polar ice cap of preconceptions," says Steve Hartman in his On The Road segment.

(WATCH the video below and read the story from CBS News)