"Serious allegations of criminal behaviour, at least where disputed, must always be the subject of the most careful investigation, always bearing in mind that the investigation is usually being conducted by laymen and not lawyers. Of course, even in the most serious of cases, it is unrealistic and quite inappropriate to require the safeguards of a criminal trial, but a careful and conscientious investigation of the facts is necessary and the investigator charged with carrying out the enquiries should focus no less on any potential evidence that may exculpate or at least point towards the innocence of the employee as he should on the evidence directed towards proving the charges against him."
"It was submitted that the investigation was flawed because [management] did not go through the whole 5 hour footage of tape to see if it supported [Miss Miller's] explanation that she had paid the money out earlier. In view of the length of the tape – 5 hours – we consider that [management] was entitled to limit its consideration of the CCTV to the footage that it did, particularly as [Miss Miller] was unable to say with any degree of certainty that she had in fact returned payments to customers or when. [Miss Miller] could have requested to view the whole CCTV tape but did not do so at any stage prior to her dismissal or at the appeal stage. The reason for this may well have been that, rather than proving her innocence, the earlier footage may have strengthened the case against her."