Detective Leading Senior Constable Neal Thompson and Senior Constable Vadim de Waart-Hottart were fatally shot at a property just outside of Porepunkah, in Victoria's High Country, on August 26, 2025.
The officers were executing a warrant for Dezi Freeman's arrest with 10 armed officers at the the secluded property, 310km northeast of Melbourne.
The shootings and ensuing manhunt, which ended when Freeman was shot dead by police seven months later, left deep scars on the region.
On Tuesday - the day before the one-year anniversary of the killings - a permanent monument to the two officers will be unveiled at Wangaratta Police Station during an hour-long service including speeches to farewell the officers.
Both Det Sen Const Thompson and Sen Const de Waart-Hottart worked at the station, which was inundated with flowers in the days after the shooting.
The search for Freeman was the largest tactical policing operation in Australian history, involving hundreds of officers and specialised resources.
Police tracked Freeman to a shipping container at Thologolong in Victoria's remote northeast seven months after he disappeared into dense bushland following the Porepunkah shooting.
The 56-year-old was fatally shot after emerging from the container holding a black handgun following hours of negotiations on the morning of March 30.
The weapon Freeman was holding was later confirmed as the police-issued handgun of Sen Const de Waart-Hottart.
Twin coronial hearings for the murdered officers and Freeman are unfolding in the Victorian Coroners Court.
State Coroner Liberty Sanger held a directions hearing into both cases in May, and an inquest could be scheduled for March 2027.
A surge in visitors is expected in Wangaratta on Tuesday and in Bright, where a second memorial will be held on Wednesday.
The Bright event will be hosted at the local police station with a second monument to be revealed.
Det Sen Const Thompson, 59, was nearing the end of a long and distinguished career on the force when he was shot dead.
Sen Const de Waart-Hottart, 35, has been remembered for his love of the outdoors and travel, having volunteered for service after relocating to Australia from Belgium.
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