Fans of the Channel 4 reality show Celebrity Big Brother were left puzzled during the episode on Friday, 10 March, as former X Factor judge Louis Walsh seemed to disappear.The Irish music manager was initially seen taking part in the latest challenge - to solve a murder mystery - but seemed to vanish halfway through.The housemates had to become recruits in Big Brother’s police department, and if they solved the crime successfully, they could win the luxury shopping budget for the week. While his whereabouts was initially unknown, there's nowhere to hide in the Big Brother house and he was eventually located - having a nap in the bedroom.