Police have arrested a nutritionist in Barcelona accused of monitoring his patients' bathroom habits with the help of a hidden camera.The suspect, identified by police as Jorge I. P., is accused of violating the privacy of his clients, who included the prominent Catalan politician Joan Puigcercos, top motorcyclist Jorge Lorenzo, and even the sister of former Barcelona soccer star Ronaldinho. The camera was found by a cleaner hidden behind a radiator in the toilet of his clinic. The device was connected by wire to his computer, which is being analyzed by police to determine whether he recorded any of the illicit footage.Jorge I. P. told officers after his arrest that he had installed the camera in an attempt to catch clients stealing from the clinic, a claim that prosecutors have rejected.If found guilty, the suspect could face between one to four years in prison.