Do you have a cite? And specifically a cite for the point under discussion?
It was obvious that at every stage of the process the scope for mistakes in translation and misunderstandings
was considerable.
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We were concerned that parts of the statements we had made to the Portuguese police, especially on that first day, might have been lost in translation. We also felt that these accounts were not sufficiently thorough and wanted to have every detail we could remember registered properly.
Unfortunately, in our haste to pass the newstatements on to the PJ, we made the mistake of assuming that the transcripts would be correct and discovered only many months later that these, too, contained inaccuracies
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Just two to be going on with, there are plenty more ... for example Davel has already identified the hassle Kate had from a translator on one occasion.