A man accused of slashing Benjamin Suttie's throat in a late night altercation between two groups south of Brisbane has been found guilty of murder.
Harley David Wegener, 34, was arrested after Mr Suttie's neck was cut at Woodridge in August 2018.
He pleaded not guilty to murder in the Brisbane Supreme Court trial after Mr Suttie, 37, died when his carotid artery was sliced in half in the Prince Park incident.
Mr Suttie's life support was turned off three days later after suffering multiple organ failure caused by severe blood loss.
The jury at the trial - which has entered its third week - took only a handful of hours on Monday to find Wegener guilty.
It heard he had responded aggressively after being greeted by Mr Suttie as their respective groups passed in the park in 2018.
Mr Suttie tried to de-escalate the situation but Wegener reached into a satchel and started slashing towards the face and then neck.
Wegener said he had received a 30cm sharp fishing knife as a birthday gift from his brother and carried it around to feel safe at Woodridge.
A specialist had never seen a cut as clean as Mr Suttie's slashed artery in their 15 years at Princess Alexandra Hospital, the court heard.
Medical evidence indicated the weapon used had a sharpness almost identical to a surgical scalpel.
The knife has never been found after Wegener claimed to have dropped it as he fled the park.
Wegener is set to be sentenced by Justice Melanie Hindman on Thursday.