However , they are admissible when witnesses have conflicting testimony ; an unedited film may clarify which witness is more accurate .
Argentine case law does not accept hidden cameras as proof of crime , since they constitute self - incrimination .
They are admissible when witnesses have conflicting testimony ; an unedited film may clarify which witness is more accurate .
Argentine case law does not accept hidden cameras as proof of crime , since they constitute self - incrimination .