The CIA has released some new Vaughn Declaration documents in the ACLU’s torture FOIA. These documents relate to its communication with the OLC;
I’m keeping half an ear on HJC’s PATRIOT Act hearing at the moment, then will need to head to the CGI event. So I won’t be able to look at them until later.
In the meantime, however, consider this a working thread.
Update: Here’s the Vaughn Index from 2007 that Barron discusses in his declaration.