For a precedent (or a handy script), how about that Racak Massacre?
I remember the first time I saw that footage, something bothered me, something didn't seem right about it.
Several hours later, it occurred to me. If you're going to massacre a unit, you do it all at once, in one place -- leave a heap of bodies and go on your way. You don't walk them one-by-one 50' up a gully and execute them, leaving bodies scattered bodies in the creekbed and up the gullies.
Upon reflection, the reason nis obvious. The latter method is inefficient, time-consuming...and incurs some unnecessary dangers. That the "educated" journalists with the news networks couldn't figure this out was a little stunning.
Racak taught me why all Islamic propaganda is so amateurish and transparent. It doesn't take much effort to fool the liberal western media -- who aren't after the truth anyway. They're simply advancing an agenda...