Some vague recollection of this...is the witness alive today?
I guess they thought the testimony was necessary to bring forward!! Not and live to tell it!
From another thread which is curious:
"On July 19, FBI director William Sessions is fired. Clinton personally orders him by phone to turn in his FBI property and leave headquarters."
14 Years Later, Mystery Still Remains in the Death of Vince Foster - July 21, 2007 - FR Article