Friday, March 13, 2009

OK City Bombing Investigation - USAF Brigadier Gen Benton K Partin

Conclusions - The Murrah Federal Building was not destroyed by one sole truck bomb. The major factor in its destruction appears to have been detonation of explosives carefully placed at four critical junctures on supporting columns within the building. The only possible reinforced concrete structural failure solely attributable to the truck bomb was the stripping out of the ceilings of the first and second floors in the pit area behind columns B4 and By. Even this may have been caused by a demolition charge at column B3. It is truly unfortunate that a separate and independent bomb damage assessment was not made during the cleanup, before the building was demolished on May 23 and hundreds of truck loads of debris were hauled away, smashed down, and covered with dirt behind a security fence. When the picture at Tab 4 was made, all evidence of demolition charges had been removed from the building site (i.e., the stubs of columns B3, A3, A5, A7 and the demolished junctures at the header with columns A3, A5 and A7. All ambiguity with respect to the use of supplementing demolition charges and the type of truck used could be quickly resolved if the FBI were required to release the surveillance camera coverage of this terribly tragic event.


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