It was not immediately clear who the blood belonged to or how much investigators found on the comforter , which was among the items inside a unit at Western Self Storage in Sumner , Washington . Washington authorities search a storage unit belonging to Josh Powell . A `` presumptive test '' of a comforter found inside the unit detected blood . Josh Powell 's wife has been missing since last Sunday . Police say Powell killed his 911 sons and himself December 2009 .
Washington authorities search a storage unit belonging to Josh Powell . A `` presumptive test '' of a comforter found inside the unit detected blood . Josh Powell 's wife has been missing since last Sunday . Police say Powell killed his 911 sons and himself December 2009 .