Sami Hamdach, 27, was arrested on Saturday and charged with murdering Greek-Australian Ross Houllis at Bankstown Local Court on Thursday.
Ross Houllis, 28, was bashed to death after he was allegedly ambushed while trying to sell Apple AirPod earphones he had listed on Facebook.
Houllis was allegedly assaulted by two men and dragged through the car park of the Wakeley Shopping Centre near Fairfield in western Sydney’s at 9pm on Friday 14 February.
Mr Houllis was rushed to hospital in a critical condition, and sadly died on Monday 17 February.
Hamdach and another man, who is yet to be arrested, had arranged to meet Houllis to buy his Apple AirPods.
Police suspect that the pair approached Mr Houllis and demanded cash before they knocked him to the ground and ‘seriously assaulted’ him before driving away.
Witnesses called an ambulance for Mr Houllis, who was rushed to hospital with ‘critical head injuries’.
With Mr Houllis died of his injuries in hospital on Monday, Hamdach’s charge was upgraded to murder on Thursday 20 February.
Police have warned of the risks of marketing via on-line platforms.
“Make sure you understand who your clients are, meet in safe places and circumstances. The safety of yourself, your friends and family is paramount,” Supt McFadden told the media.