Propaganda in Egypt: the Alleged Moment of Ahmed Assem's Death

Watch "قناصة الحرس الجمهوري يضربون المعتصمين من فوق المبنى" on YouTube

The problem with this video is that it has been edited, both beginning and end.

There are two other videos of this same event.  Here is one of the longer versions.  Second video will be added shortly.

Video of shooters on roof