One of the duties of an "Audit Committee" is to hire an external auditor, which is all to do with SEC compliance, and as I have stated previously, I believe that PTSC is fully SEC compliant.
If you have any spare time you might like to peruse the SEC site:
http://www.sec.gov/
Of the three things that you know, what is Johnson's "core interest" regarding TPL?
.
.
.
Be well