20394576 story CIA Declassifies Pages From Their Cookbook 119 Posted by CmdrTaco on Wednesday April 20, 2011 @11:49AM from the my-spell-checker-exploded dept. AngryNick writes "The Washington Post reports today on the declassification of some of the CIA's oldest secrets: Do you want to open sealed envelopes without getting caught? According to one of the six oldest classified documents in possession of the Central Intelligence Agency: 'Mix 5 drams copper acetol arsenate. 3 ounces acetone and add 1 pint amyl alcohol (fusil-oil). Heat in water bath — steam rising will dissolve the sealing material of its mucilage, wax or oil.... Do not inhale fumes.'"