Waterville Detective Sgt. Bill Bonney, seen outside the Waterville Police Department Friday, has been named deputy chief. He replaces Charles Rumsey, who is leaving to become chief in Cumberland.

Staff file photo by David Leaming Waterville police Detective Sgt. Bill Bonney talks during a panel discussion about sexual violence issues on April 11. Bonney was named deputy chief Friday. At left is Kennebec County Sheriff Ryan Reardon and at right is clinical social worker Jackie Dupont, the Ward 7 city councilor.

Waterville police Chief Joseph Massey talks to reporters on Dec. 8 during an armed standoff in the city as Deputy Chief Charles Rumsey listens. Rumsey is leaving to become police chief in Cumberland and Detective Sgt. Bill Bonney will replace him.

Don Reiter, Waterville Senior High School principal, leaves the school board during the first day of a hearing on charges he propositioned a student, as Detective Sgt. Bill Bonney, rear with arms crossed, watches. Bonney, who led the criminal part of the investigation, has been named deputy chief of the department.

Waterville police Detective Sgt. William Bonney, center, holds out his handcuffs as he orders the man at left to get back in the car as another man was told to lean on the front of car during an altercation at the Super Shoes store in Waterville in 2013. Bonney, who has been with the department for 18 years, was named deputy chief Friday, replacing Charles Rumsey.

Waterville Detective Sgt. Bill Bonney, far right, talks to schools Superintendent Eric Haley, left center, Nov. 11, during the hearing to terminate Don Reiter, the principal at Waterville Senior High School. Bonney helped lead the police part of the investigation.