Son stabbed mum to death at home before making chilling 999 call – just weeks after he headbutted stepdad in grim attack

A MAN stabbed his mum to death at home before making a chilling 999 call - just weeks after he attacked his stepdad. Rick Parker, 42, killed his mum Helen Harrison at their family home in East Riding, Yorkshire. He stabbed Helen on March 5, 2023 in a "tragic and senseless killing", then called 999...