WATERBURY, Conn. (AP) The Chief Medical Examiner's Office has ruled the death of a top Waterbury police official a suicide.

The medical examiner's office on Friday said Acting Deputy Police Chief Christopher Corbett died of a single gunshot wound to the head and determined the death was a suicide.

The 40-year-old Corbett was found dead in his parents' home in Waterbury Thursday morning.

Corbett joined the department in 1997. He became a captain in 2010 and was named the acting deputy chief in 2013. He also served as commander of the department's detective division and as the department's spokesman to the media.

Police Chief Vernon Riddick Jr. says department personnel are shocked and coping with pain and grief.

Funeral arrangements have not been announced.