A former Grant County Sheriff’s deputy is sworn in as Quincy’s new police chief. Lt. Kieth Siebert was selected last month to replace Interim Police Chief William Larson, who was hired in April to replace Bob Heimbach, who resigned suddenly in March. Larson is staying on for a month to help with the transition. Siebert has nearly 24 years of law enforcement experience and has steadily risen through the ranks of the sheriff’s office.