On Wednesday 5 February 2020 at about 10.40am a man entered a jewellery store on Collins Street and threatened staff with a syringe and smashed a glass display before stealing a watch worth more than $100,000. The offender was wearing a wig and black rubber gloves and fled the area on a bicycle. The man also has a distinctive tattoo on his left bicep. Melbourne Embona Robbery Taskforce detectives are appealing for witnesses.