[Devongone]

But the tests only catch out the inefficient cheats of course.

Do you believe the rest of Britain's sprinters are all clean? What about those CJ's been training with in the United States?

Jacobs, surprise winner of the 100 metres, though uninjured, is going to miss all five potentially lucrative remaining Diamond League meets and not compete again this season. So that's out-of-competition testing for him again, not much danger of getting caught doing anything wrong then? Or do I have a suspicious mind?

What should be the loveliest of sports has riddled itself in suspicion.