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my FBI ») Date: | 6/15/62 Via ATRTEL eg (Priority or Method of Mailing) RANCISCO (76-2887) RAIS - FUG.5 p NGLIN - FUG «3 FBI Agents at San Francisco, during our investigation of the three escapees from Alcatraz, have taken some excellent photo- graphs which I immediately wanted to bring to the Bureau's attention since it is believed that the Director will find these photographs of considerable interest. Set 1 = consists of a series of pictures showing how the convicts got through a ventilator leading into the roof of cellblock B and fled across the roof, depicts escape path of convicts from the roof to the water. eonsists of pictures taken inside cells showing dummies in bed and conditions in the cell. - shows pipes and conduits in utility corridor between cells and "work shop" over top of cellblock B,. shows Sictures of the four dummy heads used in escape pia