TOLEDO — Investigators found a hidden room outfitted with restraints inside a barn belonging to a man accused of abducting and killing an Ohio college student, and they were looking into whether it was used to hold other victims, according to search warrants released Thursday.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};