dave50 - //Look it was a terrible, tragic accident caused by various factors including human mistakes.//
Absolutely - no argument there. The entire tragedy was caused by a set of circumstances which no-one could have predicted, or known how to avoid.
Can't everyone just move on and learn from it? Grounds have improved considerably sinse then //
No - there is the small matter of a senior police officer perjuring himself for a twenty-five year period and involving subordinates in his plan to avoid responsibility.
Moving on from that will occur when justice has been served.