Ian Cooke was at home in Brighton, East Sussex, on the morning of August 25th, 2016, when his phone rang. The caller was his 21-year-old son, Ash. Ash told his father he had been struggling to contact his girlfriend, 19-year-old Shana Grice. She was not answering her phone, and to compound matters, Shana had failed to show up for work. Unable to leave his shift, Ash asked his father to go and check on Shana at her home on Chrisdory Road…