I see it as more analogous to having two consultations with experts and making an informed choice between the two. Eg you can take on board Malcolm Fletcher's trial testimony whereby he claims the drawback phenomenon was almost certain to occur or you can go with Dr Vincent Di Maio that in a high % of cases contact wounds do not result in blood presenting in or on the barrel.
SC may have shot herself before the police arrived and if she didn't the officers were unlikely to hear the sound of gunshot from a. 22 with subsonic ammo and contact wounds. Plus they were not standing directly under the 1st floor window but some distance back.
Now who's deviating from expert opinion? I'll stick with forensic scientist Dr Ismail thanks over yourself and David.
Either way, it's an 'opinion'.
I don't think they were unlikely to hear the shot at all - but then again - it's an opinion.
However, the notion that Sheila's head remained upright after she was shot, isn't an opinion the blood trail PROVE her head was flat. Were her head still upright, blood would have ran down her chin and the blood fro, her nose could NOT have pooled in her eye - unless you want to argue against the laws of gravity? I don't believe I mentioned Ismail? I said the officer who claimed her her was upright must have been mistaken, the fact that he noticed the woulds under her chin are also evidence of this. We have the CS photo Holly it's no good dimissing something simply because it doesn't fit with your theories.