DENVER (CBS4) – A Denver Public Safety Cadet, placed on leave earlier this month for making an unauthorized traffic stop, has been reinstated to his job following a three week investigation.

On June 8, a CBS4 Investigation reported the 20 year old cadet was driving a marked Denver police cruiser on I-25 when he pulled over a driver for expired plates. The driver was an investigator for the Denver District Attorney’s Office and later reported the improper stop.

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Denver Public Safety Cadets are not allowed to take police actions and cannot pull people over or write tickets. The Manager of Safety’s Office placed the cadet on leave following the CBS4 report.

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But the investigation has now revealed there was a female Denver police officer in the police cruiser and the cadet was being supervised by the officer.

“He was acting under the direction of the officer in the car,” said a spokesman for the Manager of Safety’s Office who said the cadet did violate a rule, but is not being disciplined beyond the three week suspension.

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The spokesman said the investigation is continuing into the conduct of the sworn Denver police officer.