Investigators are analysing seized drives and widening the probe after an electrician who installed home surveillance systems was arrested in Trieste when his partner found nude photos of her underage daughters.Forensic experts recovered images from a phone the man tried to smash, searches turned up a second phone, hard drives and hidden microcameras including in a bathroom, several clients filed complaints, and prosecutors say the suspect faces charges of unlawful interference with private life and possession of child-pornographic material.