This article is about a real-world person, place, or thing. For more information, see the corresponding Wikipedia page here.

Massachusetts is a state of the United States of America. Important cities in the state include the capital Boston, a hub of Clue hunting and other Cahill family activity, and Attleboro, the home of Cahill Manor.

Massachusetts is the home state of Cahill operatives Amy and Dan Cahill, their au pair Nellie Gomez, and Guardian Atticus Rosenbloom. Cahill kingpin Grace Cahill and Guardian Astrid Rosenbloom also lived in the state before their deaths. Founders Media is also based in Massachusetts.

Community content is available under CC-BY-SA unless otherwise noted.