El Terrorismo Postmoderno
Fresh stampage from the leader of the C.N.P.D:
In response to the installation of the moquette and anti-teenage sonic weapon, El Terrorismo Postmoderno in association with Advanced Acoustic Armaments, have developed the S.H.I.T.T.E.R. 9000 mk 2 infra-sound OAP deterrent. Placed in the vicinity of groups of OAPs the device emits a low frequency hum inaudible to teenagers but capable of inducing unwanted bowel movements in persons over the age of 65.
Check out these links: Telegraph / Wikipedia