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Police say they are heartened by the public response after the release of a CCTV image from the night Scottish tourist Karen Aim was killed in Taupo.
Detective Senior Sergeant Greg Turner said police had received a number of calls after the grainy image of a person on a retro-style bike was released on Tuesday.
He said they were following up on information received which had "generated a number of inquiries".
The bike-rider was captured by security cameras at Taupo Nui-a-Tia College.
Ms Aim was found dying on the side of the road near the college early on January 17 by police officers investigating a report of vandalism at the school.
Flags flew at half mast in the Orkney Islands on Tuesday for the funeral Ms Aim.
Hundreds of mourners attended church services in Taupo and the Orkneys for Ms Aim.
Her body arrived back in the Orkneys on Sunday after a 19,000km journey by air and sea from New Zealand.
Around 300 people gathered at East Mainland Parish Church in the Orkneys for the celebration of her life.
During the 50-minute service, the Reverend Miriam Gross told mourners "Let us remember Karen, her beautiful and cheerful personality, her beautiful smile.
"This lovely lady who put a ray of sunshine into every room she came into."
Also on Tuesday evening more than 300 people attended a memorial service for Ms Aim in Taupo at St Paul's Union Presbyterian Church.
Her aunt Violet Perfect, from Palmerston North, said that when her niece visited her it was as if "a light had been switched on".
- NZPA
