IANAL - it would seem that you would be justified in remaining off-premises until they do. Wouldn't hurt to have company, of course.
Believe you'd win any small-claims or higher court ruling re salary, if company tried to withhold that.
Postal has become part of the Brave New Murica and its products - if this guy isn't postal he's bloody well parcel-post.
(You might want to have *your own* transcripts too - from those willing to sign a note saying - what they had also said to management. A future attorney would need that for corroboration that you aren't a nervous nellie - in Murica, when the facts are against you:
Attack the credibility of the victim. Worked in rape for eons; still does in neanderthal courtrooms today.
Ashton