By Damian Murphy, 7NEWS
Australian police have declared a new era of organised crime after killers used a drone to film a mafia execution in Sydney this week — and then released the video online.
Jack Cheung, 35, was shot dead outside his home in Carlingford, north-west of Sydney, on Wednesday morning.
He was found dead in the doorway of his home on North Rocks Road at around 5:30 a.m., and his body was discovered only 90 minutes later when plumbers arrived to work on the apartment.
Hours later, New South Wales (NSW) police detectives issued a public appeal for CCTV and dashcam footage to assist the investigation.
But it was the killers themselves who answered this call, releasing aerial footage filmed with a drone, showing the perpetrator approaching Cheung and shooting him to death outside his home.
The provocative images were published overnight on a social media platform, accompanied by a short message.
"Hello, this is the Albanian mafia; we have footage of Mr Cheung's execution by gangs today in Carlingford."
"This is concerning," said Deputy Police Commissioner Scott Cook.
"It's a new era in organized crime."
Meanwhile, NSW Police Chief Mal Lanyon said he has his concerns, as the Sydney underworld is now regularly publishing footage of mafia executions on public platforms.
"Publishing them online may encourage other people to take such actions," he said.
Lanyon also added that this trend could backfire on criminal gangs themselves.
"The footage that is published online also helps us in our investigations," he said.
A GPS device was found in the victim's car.
The release of the drone footage comes shortly after it was revealed that a GPS tracking device had been found installed in Cheung's car before he was ambushed and executed.
Cheung lived in that apartment with his mother, who was rushing back from a vacation in Thailand on Wednesday.
Security camera footage shows the shooter arriving in an SUV at 5:31 a.m. and staying in the area for only three minutes. However, homicide detectives are still investigating the exact moment the 35-year-old was fatally shot.
Police continue to search for the perpetrator and the vehicle he used.
According to 7NEWS, Cheung's brother is a member of the 'Coconut Cartel', one of Sydney's most notorious criminal groups, which emerged strongly in the city's underworld earlier this year.
Detectives are investigating whether the murder is related to gang warfare.
"It's not something we're ruling out, but we can't confirm it at this point either," NSW Police Deputy Superintendent Michael Marinello told reporters on Wednesday.
Police also confirmed that Cheung was known to authorities. Last month, he appeared in court after being caught in possession of an unlicensed weapon.
Cheung was known in the neighborhood for his passion for cars, even competing in races at Eastern Creek. His Hyundai was his life - and now it has become a key part of the investigation into his death.
"We saw Jack all the time. He was very kind, he never misbehaved," said neighbors Isabella and Jeanette.
"All he did was mess with his car."
Neighbors were shocked by the attack that occurred in the early hours of the morning.
"Honestly, we have no idea. We're all in shock. Maybe he was hanging out with the wrong people," Isabella and Jeanette said.
Neighbors heard gunshots before the body was found
Neighbors told 7NEWS they heard a gunshot about two hours before the grisly discovery of the body was made.
Marinello said that investigations so far indicate that several shots were fired.
"It seems to be a very bold attack," Marinello said.
"We do not believe this was a random attack. We believe it is an isolated incident and therefore we can assure the public that there is no ongoing threat."
"There were people in the house at the time of the incident and they are cooperating with our investigations."
Police will question witnesses and collect CCTV footage, while preliminary investigations continue.
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