BOSTON (CBS) — Deputy Superintendent Francis Hughes retired on Tuesday after a 31-year-long career.

He retirement comes shortly after Colonel Richard McKeon retired amid claims that a trooper was told to change a report after the arrest of a judge’s daughter.

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Deputy Superintendent Francis Hughes (Photo Courtesy: Mass State Police)

Last week, two troopers sued State Police after he said he was ordered to alter a police report so the daughter of Dudley District Judge Timothy Bibaud could avoid embarrassment.

Alli Bibaud, the judge’s daughter, was arrested on drug charges.

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State Police Col. Richard McKeon. (WBZ-TV)

McKeon admitted to ordering changes be made to the report, but State Police said it was an acceptable practice for supervisors to edit reports.

“Traditionally, when a Colonel/Superintendent of the Massachusetts State Police leaves his or her position, the Deputy Superintendent resigns as well to allow a new Colonel to select a second-in-command of his or her own choosing,” said Mass. State Police Spokesperson Dave Procopio.

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“Deputy Superintendent Hughes served honorably in numerous postings, including nearly 20 years in the Gang Unit, an important period at the State Police Academy, and several years as a deputy commander in the Division of Investigative Services.”