Terrence McCallion, 55, was discovered unresponsive and absolutely clothed in the Murray River at Mildura by passers-by on May 1 2015.
Another man was on the financial institution on the time and commenced yelling out for these on the houseboat to assist.
The man, who’s an individual of curiosity to police, is believed to have left the scene in Mr McCallion’s white Nissan Pulsar shortly after.
Despite investigations, detectives are nonetheless not sure what led Mr McCallion to enter the river that afternoon however consider he could have been assaulted.
Investigators are hoping extra individuals in the neighborhood could have details about Mr McCallion’s earlier actions on Thursday, April 30 and the morning of Friday, May 1.
Anyone with details about Mr McCallion’s death is urged to contact Crime Stoppers.