Mrs Diane Davies told ITV Wales she was delighted the case has been dismissed.
"We have achieved a lot. But that doesn't mean this is the end, I want the police to admit their mistake and that they will go all out and try and solve this case and find the culprit".
More top news
In today's Newsweek Wales, Carl talks to Dr David Bailey from The BMA about how to ease the pressure on the Welsh NHS.
Plans to open a branch of Sainsbury's in a new development in a Pembrokeshire town have been criticised by local businesses.
More than half a million people are expected to take part in this weekend's 'Big Garden Birdwatch', organised by the RSPB.