Drug dealing would be virtually impossible for criminals without social media and apps like Meta-owned WhatsApp, with a new study finding 70 per cent of Australians use them to buy illicit substances.    NSW households face paying at least $20 a year extra on their electricity bills after a blowout in the already massive cost of a new privately owned transmission line to the troubled Snowy Hydro 2.0 project.    A young man who was brutally stabbed to death in a suspected drug deal gone wrong in an industrial street was “polite” and “well mannered” when he sought information from residents less than 12 hours before his unsolved murder.    More than half of Queensland’s most hardcore youth offenders are roaming free on the streets – but the minister says more young criminals are locked up than ever.  See omnystudio.com/listener for privacy information.