The investigators of the Investigative Division are charged by the provisions of M.G.L. c.138, s.56 with the responsibility to "make all needful and appropriate investigations" for enforcing the provisions of the laws and regulations that control the beverage alcohol industry in Massachusetts. The members of the Investigative Division investigate any of the over 21,000 licensees or permittees in Massachusetts to ensure that these businesses are both structured and actually conducted in compliance with the Liquor Control Act.

This section discusses items such as acceptable forms of identification and stings.