Police have released CCTV footage as part of an investigation into the brazen daylight shooting of a father and son in Sydney's west.
In one of several suspected gangland shootings, Toufik and Salim Hamze were gunned down as they sat in a red ute at Guildford early on October 20, 2021.
Salim, 18, died in the car, while his 64-year-old father died later in hospital.
Detectives from the State Crime Command's Homicide Squad established Strike Force Ormerod to investigate the murders which are believed to be gang-linked.
The masked man is seen slipping over next to the red ute where Toufik and Salim Hamze were sitting on the morning of October 20, 2021
Four men, aged 20, 25, 18 and 23, have previously been charged over their alleged roles in the incident and remain before the courts.
Police have released footage of the incident as part of an appeal for public assistance with their investigation.
The CCTV shows a silver Lexus SUV stopped on Osgood Street, Guildford before a man exits the vehicle and runs toward a stationary red utility vehicle.
Four men have been charged over the brutal assassination of Toufik Hamze and his 18-year-old son Salim, believed to be a low-level player in Sydney's underworld
The man, dressed in all black and wearing a balaclava, falls over before getting up and shooting into the parked red car, where Toufik and Salim were sitting.
The man returns to the SUV as the driver begins to drive off before coming to a stop and firing more shots from their vehicle into the ute.
NSW Police are expected to provide an update on their investigation on Friday morning.
The masked assailant was captured running out of a silver Lexus SUV before spraying the duo with bullets