I guess Chippendale would say that as he would have felt he had some sort of ownership on the origional report, that if refuted, made him look like he hadn't done his job very well.
Correct me if I am wrong but wasn't Gordon Vette advising Peter Mahon at the time of the commission and he appears not to be a lightweight in DC10 operations either.
Its all the talk of dodgey things like breaking into homes, giving false statments and shredding evidence that adds weight to Mahons Litany of lies remark and is something you seem to avoid comment on there Prospector.