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Ms Hoffman-Tamm's family had been advised.
A forensic examination of an address in Holland Street was expected to continue for a couple more days, police said.
Ms Hoffman-Tamm's body was discovered on Friday afternoon.
Police said they received information connected to Hoffman-Tamm's disappearance that led them to the search of the patch of forest, 10km from Murupara.
A post mortem examination on the body took place in Auckland yesterday.
A 44-year old woman appeared in Rotorua District Court on Friday charged with assaulting Ms Hoffman-Tamm, who went missing 18 days ago.
The Rotorua woman, who was granted interim name suppression, did not enter a plea when she appeared before a community magistrate and was remanded in custody to reappear in court on December 3.
Since finding Ms Hoffman-Tamm's body, police have upgraded their investigation to a homicide inquiry.
Ms Hoffman-Tamm disappeared after leaving her home on her red mountainbike to visit a friend on November 7.
Her bike was found on Thursday in a Rotorua suburb.