I was a government lawyer at the time, and I was responsible for national security and public safety issues for nearly 10 years afterwards. I am very cognizant, then, of those considerations.
Coming back to what I said in 2015, I would agree that information sharing is necessary for national security agencies to be effective. In 2015, when I referred to the involvement of multiple agencies, I did not mean that a certain number of agencies should not be permitted to share information. Rather, I wanted to draw attention to the flaws in the review mechanism, which applied only to three of the 17 receiving agencies. I don't believe I said that information sharing should not be permitted or that 17 agencies was too many. The point I was trying to make was that, if 17 agencies were receiving information in order to do their jobs, they should all be subject to independent oversight.