Yes, and going back to my point about the three issues, it's the intelligence-to-evidence conundrum, really. Laurence spoke to it a bit more eloquently than I. Some of this information is gathered in theatre. It's difficult, first of all, to protect the identity of the individuals who are providing it, where it's coming from. The caveat behind this intelligence is that it can't be used as evidence.
On February 1st, 2018. See this statement in context.