At about 9.30pm on April 27, emergency services responded to reports a man had been shot in Greenacre.
Upon arrival, police located a man, since identified as Ahmad, with gunshot wounds.
He was treated by NSW Ambulance paramedics but died at the scene.
Three men – aged 26, 37 and 49 – have previously been charged over their alleged involvement in the murder and remain before the courts.
Following further inquiries, detectives executed four search warrants at Canterbury, Riverwood, Lakemba and Roselands from 6.30am yesterday.
Read Related Also: Man high on mushrooms charged in United Airlines flight chaos spree
Investigators seized $60,000 cash, mobile phones, a CCTV system, documents and other items.
A 29-year-old man was arrested at the Canterbury property and charged with accessory before the fact to murder, participate in criminal group, and use false document.
Police will allege the man was involved in supply of vehicles used in Ahmad’s murder.
He has been refused bail to appear at Burwood Local Court today.
The investigation is ongoing.
