Currently, there are more than 700 body scanners at about 165 airports, all with Automatic Target Recognition (ATR) software, which display items on a generic body outline.

CNN: TSA removes body scanners criticized as too revealing

Passengers will continue to pass through machines that display a generic outline of the human body, raising fewer privacy concerns.

CNN: TSA removing 'virtual strip search' body scanners

Justice Minister David Ford has written to the Justice Committee to outline what progress has been made in finding "an effective and less intrusive method other than full-body searching for prisoners leaving and entering prison".

BBC: Date set for body scanner trials for NI prisons