ON 19 AUGUST, a young couple posted a video on YouTube documenting their travels around the US in a converted Ford Transit van. The idyllic, slo-mo montage, entitled Beginning Our Van Life Journey, showed them driving through stunning scenery, cartwheeling on a beach and kissing for the camera. Attractive, loved-up and carefree, they seemed to have lives most of us would envy.
Yet exactly one month later, the woman’s remains would be discovered in Grand Teton National Park, Wyoming, while her boyfriend, the prime suspect in her apparent murder, would become the subject of an FBI manhunt. Her name was Gabby Petito, and her disappearance and death – by strangulation, a coroner has now ruled – have unleashed an avalanche of attention in the US and internationally, largely because every…