Daily Mail Australia reported Freeman asked officers not to enter his bus, and that his frame of mind deteriorated as police told him what the warrant was for and asked that he come out and talk to them.

He reportedly called the allegations “bull—-” and branded the police “Nazis” and “psychopaths”, accusing them of trespassing and committing many crimes.

The Daily Mail reports that Thompson, who was tearfully farewelled at a funeral on Monday, opened a bus window and clambered in feet first.

It was then that two gunshots rang out, the officers ran for cover and the video ended.

Detective Superintendent Jason Kelly said the emergence of the video was “distressing and disappointing”.

Another of the stills.

Another of the stills.

“That footage is not Victoria Police footage; it is not body-worn camera footage,” he said.

“I can only imagine the impact that will have on the family of Neal and Vadim and the colleagues who were present and the broader [members of] Victoria Police and law enforcement across Australia.”

The search for the alleged gunman went into its 16th day on Wednesday, and police said arresting Freeman remained their highest priority.

“We have conducted significant searches throughout the community, particularly in the bushlands here in Porepunkah,” Superintendent Craig Darlow said. “We’ve searched caves, we’ve searched mineshaft huts, and we’ll continue to do that over the coming weeks, need be.”

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On Saturday police announced a $1 million reward for information leading to the fugitive’s arrest, which has resulted in more than 200 pieces of information being submitted to investigators.

On Monday, Sergeant Lisa Thompson told more than 3000 mourners at the Victoria Police Academy in Glen Waverley that her partner, Thompson, had shown her and his step-children “how brilliant life is, if you have the courage to try”.

“He taught me how to love without fear and how to be brave when I’m scared. I am so grateful you did because I am scared. I don’t want to live this life without you, and I don’t want to finish our dreams on my own,” she said.

Days earlier,  Waart-Hottart was also farewelled in the same chapel, filled with family, friends, the Victorian premier and the prime minister.

His mother, Carolina de Waart, his father, Alain Hottart, and brother Sacha de Waart-Hottart flew from Belgium, bringing their grief and their memories.

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Sacha reached back to childhood to explain the love and care he knew as the essence of Vadim. “My brother’s always been my hero, my protector,” he said.

Freeman fled the shooting scene with weapons taken from the slain officers and ran into remote bushland nearby.

More than 400 police and the Australian Defence Force personnel are now involved in the search.