Police have charged a teenager with murder after a fatal stabbing on the NSW Central Coast as a court hears the alleged killing was "over a hat". The 15-year-old boy was charged on Saturday morning following the death of 22-year-old Zane Robson in hospital earlier this week. Picture: NewsWire / Nikki ShortThe 45-year-old woman was charged with hindering apprehension of a person who committed a serious offence. A NSW court was told the alleged murder occurred 'over a hat'. The 15-year-old was charged with murder and refused bail.