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an. a A RR RAEN am = ee ene eR: Ea ; - 7 FD-204 (Rev. 3-3-59) unde STATES DEPARTMENT OF justce FEDERAL BUREAU OF INVESTIGATION Copy tes 1 - USA, SAN FRANCISCO oo? G. Field Ottice File 1 O7EOOT Buceou File sO oO eeD CLARENCE ANGLIN, WS? G Choracten ESCAPED FEDERAL PRISONER - CONSPIRACY Synopals: Iiaison with police agencies has developed no perti- nent information as to Escapees. Spoon handles, pieces of metal and wire similar to those in ventilator grills of inmates! cells, located in solidified paint can in paint room of ee Penitentiary, Alcatraz, California. had L.. access to paint roon. FBI Laboratory advises the life preservers recovered from B Cell Block, on Fort Cronkhite Beach and from San Francisco Bay; the partially completed pontoon recovered from B Cell Block and the Alcatraz inmate raincoat are all composed of same type of material, mainly rubber-coated cotton fabric. The life preservers are all yoke type, placing flotation behind the head as well as in front of the .__"Popular Mechanics" March 2962 issue located in cell o ontains 1 a article discussing the various types of life preservers. However, the article atates that the yoke~-type preserver makes swimming difficult. "Sports Illustrated” March 21, 1962, issue located in cell of MORRIS contains article discussing various inflatables, including life preservers and indicates composition of most inflatables as vinyl plastic or rubberized _ fabric, the latter being durable and more aifficult to puncture. FBI Laboratory inflated life preservers and placed weights on them. Life preserver recovered from B Cell Block | discovered completely air tight, remaining firm for several hours. © Other two life preservers lost most of their air in about an hour by slow. rate of deflation, but pressure could be maintained by mouth. This document contains neither recommendations ner conclusions of the FBI. It is the property of the FBI and is loaned to your agency; it and its contents dre not to be distributed scutside your agency, eee