The White Rabbit on Instagram: "On August 22, 2012, 36-year-old Elaine O’Hara — a quiet, vulnerable childcare assistant from Killiney, Dublin, living with long-standing mental-health struggles — vanished after walking out of a psychiatric hospital where she had been visiting; for more than a year she was treated as a missing person, her disappearance initially believed to be a tragic voluntary act, until September 2013, when an unusually dry summer exposed the mudflats of Vartry Reservoir and re