"one certain Brazilian on the way to the Tube?"
But as Napoleon said re Admiral Byng's execution: "pour encourager les autres
After that chap was shot there were no more bombings
Doesn't make what happened right, but it had the desired effect of scaring the the other side
Note - I am NOT suggesting in any way that he was involved in any kind of illegal activity. He was just the wrong bloke in the wrong place at the right time