Dan Blather's typewriter experts discovered, that in helping Cap'n Dan prevaricate, their services were no longer in demand, so they went into the audio analysis biz.
I think you are a little confused. Rather had no experts, he had a story that some people believed because it fitted their preconceptions.
Back then it was the Freepers who looked at and analysed the evidence. Today they mostly are acting like people with BDS did then.