OK so now I think I got it. You speak of the failure to deliver report. He reports what he feels like for the most part and the end of each month. Jack usualy post the list.
I am going to do some more homework on shorting regulations and get back to you all.
One way that shorted shares can be obscured is by passing them between market makers. If you carefully study the Level 2s for the past few weeks, you will see that 9000 shares have been being passed back and forth between 3 or 4 different market makers for weeks.