Map shows path of man wanted over 'horrendous' Melbourne park shooting murder

A map released by police shows the path of a man they wish to speak to in connection with a shooting murder in a Melbourne park.

Daniel O'Shea, 41, was found dead by joggers in South Yarra's Fawkner Park on April 26, with two guns found nearby by children the next day.

The victim - who had criminal connections in Australia and abroad - is believed to have been in the park for a pre-arranged meeting and detectives have sourced footage of a man leaving the area on the night of Mr O'Shea's death.

This map of the suspected shooter's final movements was released by police. Source: Victoria Police

"This is a particularly horrendous murder," Detective Inspector Andrew Stamper told reporters on Thursday.

"It's no secret that Mr O'Shea was involved in criminal activities. We know that and he was well connected in that criminal community both nationally and internationally.

The man police are looking for was wearing a vibrant green hat and carrying a Coles shopping bag. Source: Victoria Police

"Obviously it presents us with some challenges due to the criminal code of silence."

An image has been released of a man wanted over the shooting, and shows him wearing black clothes and a green baseball cap, and carrying a red and white Coles plastic shopping bag.

"This person may be a member of the community who was innocently walking through the park. If that's the case and you do recognise yourself, get in touch with us straight away. That's no issue," Inspector Stamper said.

"But at this stage we obviously have reason to believe this person is a significant person of interest."

The shooting is believed to have been targeted and police have not ruled out the possibility of an ambush.

Daniel O'Shea was shot dead in South Yarra in April. Source: Victoria Police

They earlier stressed there was no ongoing threat to the community after Mr O'Shea's killing.

"He's still somebody's son, somebody's partner, somebody's friend. There's people grieving out there regardless of his background," Insp Stamper said.

He was shot on the western side of Fawkner Park closest to St Kilda Rd and CCTV showed a man walking in the opposite direction and crossing over Punt Road into Toorak Road, which he walked along for 2.5kms with a phone in his hand.

"It wouldn't look unusual in Toorak Road ... but I'm thinking somebody who knows this guy would see those images and would be able to identify him," Insp Stamper said.

Anyone with any information is urged to contact Crime Stoppers on 1800 333.

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