After a distinguished, 34-year career in law enforcement, Quigley works as a security manager for The Edward Davis Company. His career in law enforcement evolved from patrolling as a sworn officer for the Burlington Police Department, to conducting case management while Detective Lieutenant with the Massachusetts State Police. Quigley has ten years of management experience and participated in major cases ranging from drug trafficking to homicide.Before his retirement in 2005, Detective Lieutenant Quigley was assigned to the Division of Investigative Services and was the Unit Commander of the statewide Gang Unit. In this role he has investigative and administrative control over 35 Massachusetts State Police officers. Quigley is a Licensed Private Detective in Massachusetts, as well as a member of the National Association of Legal Investigators, (N.A.L.I.) National Council of Investigation & Security Services, (N.C.I.S.S.) a member of the Licensed Private Detective Association of Massachusetts, (L.P.D.A.M).