In 2004, Operation Refusal reported a 6 percent service-refusal rate in tests conducted by undercover inspectors, compared with about 20 percent in 1996.

The airlines had failed to detect test objects resembling guns or explosives that were hidden in luggage by undercover inspectors for the aviation agency.

If they are not - or you are travelling without a ticket at all - you may be fined by undercover inspectors.

No unsafe vehicles were allowed on the road because of the investigation and the examinations by the undercover inspector, the officials emphasized.

The undercover inspector was assigned to Brooklyn.

In the investigation, many unlicensed contractors ended up being victims of their own quick responsiveness to calls from the undercover inspectors.

The state also sent undercover inspectors to 255 stations and found that 82 percent were administering some part of the test incorrectly.

Last fall, however, undercover inspectors for the Federal Aviation Administration successfully eluded the system 20 percent of the time.

These undercover inspectors were generally young officials of lower rank but was invested with the royal authority to dismiss corrupt officials.

He also said undercover inspectors were taking vehicles through tests at the service stations.