He had title of "Building and Grounds Officer", wore a uniform in the style of the Maine Warden Service, with a patch that read “State House Police”, and used a Cushman motor scooter.

The guards were retitled Capitol Security Police Officers in 1977, following the bombings of several public buildings in New England and the Central Maine Power Company in Augusta.

In 1982, the Capitol Police took on responsibility for the Augusta Mental Health Institute and grounds, and the force had a total of eleven officers.

In 2013, the police were further increased in size to 13 officers, supported by two watchpersons and four screeners, with the establishment of a permanent presence at the Riverview Psychiatric Center.

[3] Governor Janet Mills and Public Safety Commissioner Michael Sauschuck said they were "troubled and concerned" by the posts, and placed Gauvin under investigation.

[6] During the financial year 2019-20, the Capitol Police logged 47,262 events, incidents or activities, of which 77 turned into criminal investigations, including assault, trespass and theft.