Hmmm - couldn't get to sleep, so just checking in again.
Re GBC's scratches - there would seem, logically, to be three possibilities:
(a) either GBC is telling the truth and that they ARE shaving cuts and caterpillar reaction resulting in scratches, or
(b) he and Allison had a fight which included Allison scratching him, and he, of course, realizes that it makes him look guilty of her murder, so he lies about the cause of the scratches, or
(c) he killed Allison and she scratched him during the assault, whatever that was - chokehold, strangle, smother, whatever.
One of those three would seem to be the case for the scratches.
If it was, in fact, option (b), then maybe, just maybe, (and here I'm just posing another possibility - not a theory) they had an almighty fight, including the scratching, following which Allison walks or runs out in a huff, to cool off. Hence the "walk" story, perhaps. And if she were then grabbed and killed by a third party, GBC would immediately panic, about everything, including the scratches, realizing that he would be incriminating himself. And perhaps the reason he called '000' so soon on that morning was that he knew she'd gone out in a huff and hadn't returned. Maybe the fight was during the night, and she went out in the small hours, and hence the call to NBC for help so he could go and look for her?
All that, of course, is pure supposition. Simply one POSSIBLE (not probable) explanation that would fit what we know.
But it does go to show that one can explain the facts that WE know in more than one way.
OK - brandy now on board, so back to bed...
fftobed: