Sibel Edmonds' Boiling Frogs site has posted an in-depth interview with NSA whistleblower Russ Tice, who worked in black programs. It can be downloaded in MP3 format or listened to on-line here:
http://www.boilingfrogspost.com/2011/09/29/podcast-show-58/
For more on Russ Tice, see:
Senate Intel Committee Blows Off NSA Whistleblower (https://antipolygraph.org/forum/index.php?topic=3065.msg21669#msg21669)
Psychiatric Abuse Alleged at NSA (https://antipolygraph.org/forum/index.php?topic=2536.msg17889#msg17889)