he did go in for “mass” slipper-rings a number of times in the gym guilty or innocent we all had to touch our toes in turn in a line up.

It seems to me that to punish the innocent in any circumstance is suspect. When this happens on a quasi regular basis this cannot even be defended on balance of probabilities. There are occasionally be very difficult, serious circumstances where the guilty will not own up, and all are implicated given the nature of the offence and either a wall of silence , or culpability by standing by and doing nothing.For example this quote from Another Lurker, in October last year , gives two examples :

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