A post-mortem showed injuries "consistent with an animal attack".
"The police tend to treat stalking like it's a civil concern and not a crime."
The Toyota Hiace van at fault was "displaying extremely dangerous driving behaviour".
The IPCA report found the way police initially assessed allegations was not fit for purpose.
The ram also confronted police upon arrival.
Materials seized from the properties will be analysed amid the ongoing investigation.
Police will be speaking with the victim once he has recovered from his injuries.
Police Minister Mark Mitchell says he is disappointed with the outcome.
The same property was in the news last week.
She hasn't been sighted since she got into a single-cab ute in Hawke's Bay.
Pitihira was one of three men who fled police after an alleged burglary and ran into the sea to avoid arrest.
The father of eight has been missing since February 2023.
Joseph Ahuriri was last seen at the Waitomo petrol station in Bay View, just north of Napier.
The courts will be crawling with police, security and Secret Service officers.
Commissioner Karen Webb said video of the incident speaks for itself, when asked if the offender targeted women.
Police spent Saturday evening with the family collecting information.
A witness described the moment they launched in to help provide first aid to the officer.
"There's not enough time to have the repairs completed before then."
The 40-year-old man has been identified by police.
Amy Scott was the first officer at the scene and has been praised for her actions on Saturday.