Alleged cop killer Dezi Freeman tried to kill a fourth police officer during his shooting spree in Victoria ’s high country.

The 56-year-old — also known as Desmond Filby — pointed his gun at the officer and pulled the trigger however it did not work, the Herald Sun reported .

Freeman had already shot three other police officers who were serving a warrant at the alleged gunman’s semi-rural property in Porepunkah, 300km northeast of Melbourne , on August 26.

Detective Leading Senior Constable Neal Thompson, 59, and Senior Constable Vadim de Waart-Hottart, 34 were killed while the third officer was seriously injured but survived.

Freeman has been on the run from police ever since the shootout and despite extensive searches and hundreds of resources no trace of him has been found.

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