Who murdered Giulio Regeni?

The Long Read: When the battered body of a Cambridge PhD student was found outside Cairo, Egyptian police claimed he had been hit by a car. Then they said he was the victim of a robbery. Then they blamed a conspiracy against Egypt. But in a digital age, it’s harder than ever to get away with murder
Read more: https://www.theguardian.com/world/2016/oct/04/egypt-murder-giulio-regeni?source=Snapzu