McMaster's body was discovered yesterday morning, after she was reported missing on Saturday September 8th.
Police say they are treating the death as a homicide until an autopsy is performed.
Police are encouraging persons with information that would assist in this investigation to call the Questelles Police Station at 1784-456-1750, the officer in charge of CID at 1784-456-1810 or the Central Police Station at 1784-457-1211.