Criminal investigation

Joe Olson: Memorandum for the President: 9/11 Twin Towers were destroyed using “clean nukes”, WTC 7 with conventional demolitions

“Clean Nukes.” The Twin Towers and most of the World Trade Center (apart from WTC-7, which came down seven hours later in a classic controlled demolition) appear to have been demolished – much of it vaporized – using “clean nukes.”

The technical term is “minimum residual radiation” (MRR, also sometimes called “reduced residual radiation,” RRR). Residual radiation is what remains by way of radioactive contaminants after the initial radiation of the first minute has worn off. Because the fission products are the “dirty” part of the nuclear blast, two factors are central in order to keep the device as “clean” as possible: (1) the fission-fusion mix of the thermonuclear device, i.e., the share of the total yield delivered by the fission primary and fusion secondary, respectively; and (2) the conditions under which the nuke is fired, whether it’s an air burst, ground burst or underground explosion, and whether the underground explosion takes place in an unobstructed shaft and whether any structure stands on top of the shaft, i.e. the energy can be channeled. Actual MRR appears to have been a 400-ton equivalent requiring 4 pounds of uranium.