It may not be fair but I think it's reasonable to be a bit skeptical. Someone's history and character count for something.
Also read both the (alleged) skinhead site post along with the husband's statement, and I definitely don't fault fellow non-experts for suspecting the same author wrote both. It's entirely possible they both have he same flair for narcissistic flowery language and dramatic comma use.
Then again, there was that California kidnapping case recently that people and even the police wrote off as a hoax, but didn't actually turn out to be a hoax (and they caught the kidnapper).
I do usually discount random encounter witnesses too, even if they're being honest and well-meaning who knows who or what they saw. We live in this world: