Two years ago, the video of a murder by a vigilante mob went viral. A shocked nation watched on loop as 55-year-old Pehlu Khan was beaten by a mob in Rajasthan - a beating that would eventually lead to his death. On the face of it, it seemed like an open and shut case. The attack was caught on camera, with several witnesses. Yet, on Wednesday, the six men accused in the case were set free by a court. On Reality Check, we ask, after two years of trial, was justice denied to Pehlu Khan?