Well, to deal with, and help us manage, criminal conspiracies, we "flip" real criminals all the time. Trouble is, nowadays, crime-fighting is at least as lucrative a business as crime itself is. And money, of course, has a distinct conscience all of its own which always overcomes any moral or even legal limits and limitations.
"Plenty of strikers can score goals," he said, gesturing to the famous old stands casting shadows around us.
"But a lot have found it difficult wearing the number 9 shirt for The Arsenal."