◆ SpookStack

“_ ~—, of oe ee AEE ‘ ores NC. . 7 ) “wg UTED BTATES cover kent ) emorandum ° APF AU I TEU TU POoaseEae TO : DIRECTOR, FBI (76-26295) DATB: 6/25/62 _ Ae ATTEN: FBI LABORA’ FF ¥ FROM ! SAC, SAN FRANCISCO (76~2887) ~ EE, x 7 Pa SUBJECT: ALCOS Ju-xe fe ORPIS ees Freak KEE MEG Re San Francisco letter to Director dated 6/22/62, bre which forwarded what was believed to be cement had been dug out of holes in the cell of an Alcatraz inmate, by prison offic 8. was assigned to ce AEB on September 10, L724 1962. He denied making the holes and claimed that they were probably made by an inmate formerly assigned to that cel}. « It was ascertained tron ws aa. S. Penitentiary, Alcatraz, on June 22, € ; e ‘ time white cement paint, water mix, was ordered by that institution was on October 10, 1961, and it was not delivered until October 27, 1961. This was purchased through GSA and is -: listed as GSA article 800-286-7721. This is the only type of *; cement paint that_has been used inside of the cell block at the i. penitentiary. advised that if you mixed a small amount of water with the white cement paint it would dry very quickly. / Then the inmate who was camouflaging the hole would in aii i probability use some of the regular prison paint to go over the. outside of the cement paint and this would camouflage the hole ade available a sample of the white cement paint used Tt] y the institution as described above and it is being submitte in four plastic type containers. There is being submitted a sample of the prison type paint utilized in painting the cells at the penitentiary. The FBI Laboratory is requested to analyze the material believed to be cement paint which was submitted by referenced _ letter and ascertain if it is a similar cement type as to_ the enclosed known, wample of cement paint. In addition, the Laborat 4s requested to- analyze the torques appearing paint which 1s peing submitted and which 18 used by the penitenti pinting Anmates cells. ‘The material dug from the hole of gaia hac. Te y F “3h pureau, (RM) (AM) K - gloe- Green Peal useo in cells a teh -Package) — - Francisco K - while comente £0 2” G- aed tz vl 7 o ) x yp SO os eYITE ®) 5 4 p05 16 182 y .