W hen Leighann McCready phoned her 19-year-old daughter, Jaysley Beck, on 15 December 2021, she got no reply, but brushed away her worries. “Jays always, always answered her phone, but it was early, eight in the morning,” she says. Beck, an army soldier in the Royal Artillery, had been at a party the night before at her Wiltshire barracks. She was probably asleep.

It was a busy time, the Christmas countdown. Soon, Beck was expected to be back home in Cumbria, where her parents – McCready and Anthony Beck – own a village pub. McCready had already bought matching Christmas pyjamas for Beck and her older sister Emilli to wear on the day.

Beck had been preparing for the holidays, too. She had been Christmas shopping two days earlier, calling and consulting throughout the day with her mum, who was transferring the cash to cover it all. She’d bought presents for herself and her sister: a Gucci bag, a belt and a purse.…