You most certainly can attribute it to lighting and photography Raff*. Here's the proof....
That's Ruby's mugshot from the day he shot Oswald. No scruffy neck as you call it.
When you use crappy photos, you end up with crappy analysis. But then again, we're used to your crappy assessments.
Your "clean razored neck" versus a "scruffy neck" is crap. Your skills are crap and your opinions are crap.