intelligence source

Skripal case: Britain’s letter to NATO blaming Russia; full of guesses and based on a single source

As has now become apparent for some time, the British case against Russia in the Skripal case is based entirely on intelligence of a sort that will never be produced in a court of law.
The conclusions of that intelligence – though not it should be stressed the intelligence itself – has now been revealed in a letter sent by Sir Mark Sidwell (Theresa May’s national security adviser) to NATO secretary-general Jens Stoltenberg.
Since this letter sets out the entirety of the British case against Russia in the Skripal case, I will reproduce it in full