And it was then that Sy Liebergot began to understand the basics, though it would be many more weeks before anyone would fully understand the night’s events. In fact, unearthing the truth took an investigative board similar to the one established after the 204 fire. Scott Simpkinson oversaw M.S.C.'s part of the investigation. Don Arabian headed the team of engineers who, in a tour de force of engineering detective work, tracked down the convoluted history of O2 Tank 2. As the finishing touch, Arabian took an identical O2 tank, subjected it to exactly the sequence of events that he believed to
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