Homicide Squad detectives have released CCTV as they appeal for information into the murder of a man at Winston Hills last year.
About 7pm on Tuesday 19 August 2025, emergency services were called to Regiment Grove, Winston Hills, following reports of a shooting.
A man, suffering gunshot injuries, was treated by NSW Ambulance paramedics before being taken to Westmead hospital, where he later died.
The man has since been identified as 22-year-old Osama Momani.
About 11pm, emergency services were called to a Toyota Prado alight on Bounty Place, Old Toongabbie.
State Crime Command's Homicide Squad with detectives from Parramatta Police Area Command established Strike Force Karlgarin to investigate.
As inquiries continue, strike force detectives have released CCTV footage of three men and four vehicles they are seeking to identify to assist with their inquiries.
Three men are depicted walking along a street in Toongabbie. The men are all described as being of Mediterranean/Middle Eastern appearance and aged in their 30s.
The first man is of slim build, with short dark hair and a beard and is shown wearing a hooded jumper, jeans and white sneakers.
The second man is of medium build, short dark hair and a beard and is shown wearing a white t-shirt and carrying a shoulder bag.
The third man is of large build with short dark hair and a ling beard and is shown wearing a hi-visibility jumper, work boots and pulling a suitcase.
Investigators have also shared CCTV of four vehicles including a white Toyota Prado SUV, a black Audi A4 sedan, a silver Lexus and a white Jeep Grand Cherokee SUV seen in the area at the time of the incident.
As investigations continue, anyone with information about the incident, or may have mobile phone or dashcam vision that may assist investigators is urged to contact Crime Stoppers on 1800 333 000.
Anyone with information that may assist investigations into organised criminal activity is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au. Information is managed on a confidential basis. The public is reminded not to report information via NSW Police social media pages.