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Alcatraz Escape — Part 8

106 pages · May 08, 2026 · Document date: Jun 25, 1962 · Broad topic: Prisons & Escapes · Topic: Alcatraz Escape · 105 pages OCR'd
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7elb REPORT . of the oN —— fy oS LABORATORY “2 5 FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. Te FBI, San Francisco Date: July 3, 1962 FBIFHe No. J§aZEZHS Re: aLcos Lab. No. PC-70571 BV Ga PC~70604 BV GH Specimens received — 6/25/62 @ Material from hole in coll | Specinens received 6/27/62, rl Blue-green paint used in cells K2 White cement paint Resulte of examization: The Q2 material from the hole consists essentially of small lumps and loose particles of neat Port lane cement mixed with small particles of lime mortar, sand grains, guall wood particies and paint chips. The Portland cement has had sone moisture in it but is not believed to have had enough soisture to form a siurry, The length of time the cement was in use could not be determined, The G2 coment was found to be different from the x2 white cement paint subaitted, The particles of blue-green t which were in Q2 were found to be similar in color, $ e and ition to . the blue-green of specimen Kl,- The “paint ps in G2 aad the paint Kl could have come ‘from the sane source, ry * 8 wl) tececvee user [9 7497
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Alcatraz Escape — Part 17
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