As you know, few files dealing with intelligence matters are immediately available.
He was a consultant to the Pentagon on intelligence matters in 1976.
That was greater reliability than one could usually expect in intelligence matters.
They met once a month, formally, to discuss intelligence matters.
For intelligence matters involving international terrorism, however, the rules were different.
"As I have said before, we do not discuss intelligence matters, ever."
It is not an intelligence matter, but I wish your collective input.
Legislation was also passed to give the president more control over intelligence matters.
And I can't share it, obviously, because we don't comment on intelligence matters.
In retirement he turned to writing about intelligence matters and the cold war.