Show NEW MYSTERY IN HUN SPY PROBE PITTS PITTSBURG BURG Dec Dee 22 Justice Justice department department de do- agents who havo have been In Investigating investigating In- In the activities In In Inthis this country country country coun coun- try of or Hugo R. R von Ton Beyer and tho murder ot or the former German naval officers officer's beautiful wife went this afternoon afternoon aft art to tho the Westinghouse plant Ilant where Von Beyer has been working orkin on war contracts They left the federal building in re response response response re- re to a hurry call c. from the tile plant The Tho nature of or the summons was not made known |