I don't get the rather negative rating. I think the fact that these cases are being brought to light again is very positive, despite the documentary itself not revealing much more than what's already known. These cases are still open, so they can't really shed more information, which is still upheld by the Police. Well done for revisiting these cases and bringing them back to the eye of the public once again, even if only to give the families and friends of the victims some hope, that they haven't been forgotten. The documentary was a bit empty and lacked significant content, but I still enjoyed it and would recommend it.