In a fresh new trial opening on Tuesday, Italy is once again seeking justice for Italian graduate Giulio Regeni, who was abducted, tortured and killed in Cairo in 2016 after being mistakenly taken for a foreign spy. Regeni, a PhD student at the University of Cambridge, was in Cairo researching Egypt’s independent trade unions – a hugely sensitive subject in the country, where the authoritarian government has repressed unofficial protest movements since 2013. On 3 February 2016, nine days after his disappearance, the mutilated and half-naked body of the 28-year-old student was found in a ditch …