Show I 4 SPY NET TIGHTENED I II I II I By United Press ISAN I I SAN FRANCISCO Feb Depart 9 9 Depart 1 Department Depart Depart- ment of justice and army intelligence I office representatives have tightened I their spy net and as a result today I four alleged plotters are in custody They are k I Dr Ed L L. De Cramm arrested as he was about to leave for the orient on charges which authorities will not discus dis- dis cuss cusa cus William Frank Holeka Austrian en engineer engineer engineer en- en en- en I in whose possession authorities say they found found between and blueprints of American army aero aero- I planes P P. G G. G Ferrer former president of the Mexican National Trading company I said to have been an associate of I General Nick ick Zenn in Mexican l plotting ottin K R L L. L Janney said to have posed as asa a British aviation officer I |