CRISPIAN BALMER AN Italian judge has ordered four senior members of Egypt's security services to stand trial over their suspected role in the disappearance and murder of student Giulio Regeni in Cairo in 2016. Regeni, a postgraduate student at Britain's Cambridge University, disappeared in the Egyptian capital in January 2016. His body was found almost a week later and a post-mortem examination showed he had been tortured before his death. Italian prosecutors say their investigation showed that four Egyptian officials were responsible for the "aggravated kidnapping" of Regeni, while one of the four was also involved in a "conspiracy to…