'Killed her, then went to sleep': Chilling calm of nurse killer baffles cops

A bike mechanic was arrested for raping and strangling a nurse in Pahadishareef. He allegedly watched the woman for a month before entering her room through a window. The accused returned to his garage and slept after committing the crime. Mobile data and forensic evidence helped investigators crack the difficult case. Police are checking the accused's criminal record in Bihar.