I would think, though I do not obviously know for certain that this is the end of it. At least the administration tried to prevent it. Chechnya is a lot more complex (as brought out in multiple well researched post here on FR) than meets the eye but if this guy is in any way complicit in what happened last week than shame on our courts....again.
Not Beslan, but several other smaller terrorist activities, one in Dagestan. Older. He has cleaned up his presentation, now you see, and wooed the politicians well.
But ten years ago he was a common chechen rebel commander and carried weaponry, probably helped plant mines, etc.
They chose him from the pack and groomed him to be upwardly mobile.