The far closer working relationship between the Foreign Office and the Quai d'Orsay established in 1991 with the break-up of Yugoslavia has meant that the oldscars from the failed collaboration over Suez in 1956 have largely healed.
The scars on his knees, which Ito is letting Simpson exhibit, would presumably illustrate how old football injuries would have hindered his ability to overpower two people and stab them to death.