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\ FD-302 (Rev. 1-25-60} FEDERAL BUREAU OF INVESTIGA y KZ. ,b20 June 15, 1962 Vote b re rmecneecoum erm an inmate of the U.S, Penitentiary, Alcatrez Island, Ca ornia, was interviewed in the presence of ARTHUR M. DOLLISON, Associate Warden, United States Penitentiary, Aleatray Teland at that institution Ha wae initially advised SSR VR BG a it WY BE FE i a Fae ae ee that he need not furnish any information, and if he did, same could be used against him in a court of law. He was advised as to his rights to consult an attorney. No threats or promises were made to him. Ce: :--: that on May 5, 1961, he was released from the Treatment Unit at Alcatraz and returned to the main ceil area. At that time he began to think about and look for ways to break out of Alcatraz. It was general knowledge among the inmates that above the celi blocks there were some eight ventilator holes to the roof which had not been used in several years. These holes had been covered up; however, it appeared that the one above celiblock "C" had been cemented up, according to in- formation among the inmates, When painting in that area about 9 to 16 months ago, he noticed that the lid covering this ventilator hole to the roof was not cemented up as he originally had heard. He believed then that it was possible to break out that way. Arounc this time plumbers were working in the utility corridor which separates the cells in "B' cell block, This cor- ridor contains all of the plumbing facilities which lead into the back of all of the celis in that blocx, After the plumbers had finished vorking Qe was in- structed to clean the refuse from the utilities corridor, This utilities corridor is approximately 3 feet wide ana extends to the roof of the buil While cleaning the floor of the utilities corridor GM vas scraping up some material while on his hands and lmees, nderneath a cement support, he noticed eamathinag unrasnad fn am ATT mans ” Than he Amanat i¢ ha fan that it contained some rusty saw blades and little pieces of files, all makeshift and which had evidently, from their condi- tion, been secreted there for some 10 to 20 years. He left this material where he had located it. He mentioned it to JOH ANGLIN, an inmate having ceil #152 in Block "B," He had becone acquainted with JOH ANGLIN previously when they were both in the Florida Penitentiary in Raiford, Florida, about 1952, When = On 6/13/62 Aicatraz Isiand, California ¢j|,4F 76-2837 Cy 67 6/14/62 by _ ee Darter dictated This document contains neither recommendations nor conclusions of the FBI. It 4a the property of the FB! and is loaned to Your agency; it and its contents are not to be distributed outside your agency, a SA