This is the important part of the message: "I think there was probably a failure among a group of leaders there at the upper echelon."
Echelon is a 5-Eyes spy program - I know we don't like Wiki but here's a link anyway: https://en.wikipedia.org/wiki/ECHELON
Note that one of the Echelon forwarding stations in the UK is Bude… which, according to Q, had its uplink taken out on the night of the 7 dwarves.
Barr knows the spying op was carried out by 5-Eyes.