Gov. Deval Patrick is shedding lig ht on the shake-up that occurred in the management of the state's sex offender registry board.

The governor, in his first comments since returning from an overseas trade mission, cited a "cumulative loss of confidence" in officials at the board, which tracks and classifies sex offenders.

Among the factors cited was a recent settlement with a hearing officer who claimed to have been pressured to change a ruling in a case that involved Patrick's brother-in-law, and surfaced during his campaign for governor in 2006.

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Board chairwoman Saundra Edwards was relieved of duty last week and executive director Jeanne Holmes placed on leave.

Patrick said the shake-up also stemmed from rebukes of the board by the state's highest court and criticism that it had not updated its regulations.