We know what former SNP chief Peter Murrell bought with £400,000 of embezzled funds. What I’d like to know is why | Gaby Hinsliff

His guilty plea means motive will for ever be a mystery. It just proves that the world can look as hard as it likes at someone’s marriage and never know what’s going onIt sounds like the haul of an unhappy trophy wife, filling her empty days with retail therapy. Three Fortnum & Mason advent calendars, seemingly priced for those to whom money is no object; a pair of incomprehensibly expensive Lalique crystal salt and pepper grinders; several hundreds of pounds’ worth of Le Creuset; and no few...