Otaraua hapu member Tom Hunt said yesterday that police numbers had been steadily rising since Tuesday, the eve of the report's release. Some of the officers were wearing plain clothes, he said.
"There are certainly strange faces around town in police cars and on the streets. There are a number of people walking around the town who are not from here."
A small group of townspeople protesting against the report yesterday walked through Waitara carrying banners and placards naming Constable A before congregating outside the police station.
Similar angry protests took place outside police stations in Whangarei and Wellington on Thursday.
Waitara police have also had to deal with a series of incidents, including threats against officers by relatives of Mr Wallace, abuse from his mother and graffiti saying police were murderers.
The Maori Affairs Minister, Parekura Horomia, has called for calm in the wake of the decision not to prosecute. Mr Wallace was part-Maori, as is the constable who shot him.
He said that Mr Wallace's death was a "test for everybody."
A neighbour of Constable A last night said: "People in the neighbourhood give (Constable A) 100 per cent support."
The constable and his family had left their home but both he and his wife were well, the neighbour said.
"They are not happy, because this was their home. I think it is shocking that any man, be he police or otherwise, who does his duty then has to leave his home and his way of life - which he loved."
A lawyer for the Wallace family, John Rowan, QC, told the Weekend Herald that he was considering the option of a private prosecution to be taken against the police by the family.
"I am now studying the police file and have referred aspects of it to experts I've retained."
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