[52] The timer recovered in Togo which, as we have said, was one of two, was considered by the witness Richard Sherrow to be identical to one which was discovered in Dakar, Senegal, on 20 February 1988 within a briefcase found on board a passenger aircraft which had arrived at the airport there from Cotonou in Benin. It was recovered in October 1999 by CI Williamson from the French Ministry of Justice in Paris but was not examined forensically. It cannot therefore be said whether its circuit board was single or double sided. […]