The family of Italian student Giulio Regeni appealed on Friday for help tracking down four Egyptian security officers suspected of playing a part in his brutal 2016 death. “We know who they are, what their faces look like, and we know how much harm they are capable of doing. Will you help us look for them?” the Regeni family’s lawyer said in a Facebook post. A trial of the four in absentia in Rome was thrown out by judges in October because prosecutors were unable to prove they had managed to inform the defendants of the judicial process against them. The officers stand accused of kidnapping, …