Emma Carr is the Deputy Director of Big Brother Watch, and she says the new initiative in Pontypridd sounds like "a bit of a gimmick".
"We know with CCTV cameras in general that they have little impact on minor crimes... and so having a CCTV on a policeman's chest, for instance, isn't necessarily going to bring down more than that police officer being in the vicinity at the time".
More top news
Callum Williams of Wrexham pleaded guilty to causing grievous bodily harm to the woman police officer, assault and damaging property.
RSPCA says at first they thought the caller had confused the animal with a badger.
Welcome to the Newsweek Quiz - where we'll be testing your knowledge from the last seven days of news in Wales.