>Has there even been a substantiation of the story, or any official word?
Well that's kind of the whole problem, isn't it? Official word from whom? If the police didn't officially question the alleged victim or alleged witnesses , and didn't officially question ,cite or detain the alleged criminal, then there's not going to be much in the way of a public record to substantiate the claims.
>Does everyone think that it's going to help?
Posting to the FB page, probably not, but the rest of the mob mentality at least has appeared to motivate KMOX to investigate, and journalism will have to suffice, maybe, for independent substantiation of some of the claims.