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Once they had squeezed through the ventilation shafts, the men scaled a series of pipes to reach the roof. From there, they descended a fifty-foot kitchen vent to the ground and moved toward the water’s edge. Their primary vessel for the crossing was a masterpiece of improvisational engineering: a six-by-fourteen-foot inflatable raft and accompanying life vests meticulously constructed from more than fifty stolen rubberized raincoats, heat-sealed together with the warmth of steam pipes. At approximately 10:00 PM, they launched into the San Francisco Bay, a treacherous expanse defined by bone-chilling temperatures and currents that could sweep even the strongest swimmers out to the Pacific.
When the ruse was finally discovered the next morning, the resulting chaos was unprecedented. The FBI and the Coast Guard launched one of the largest manhunts in history, scouring the coastline and every inch of the bay. They found fragments of the raft and a single paddle, but no bodies were ever recovered. Authorities eventually officially concluded that the men had succumbed to hypothermia and drowned, citing the impossibility of surviving the crossing in such primitive gear. The case was closed by the FBI in 1979, but for the U.S. Marshals Service, the warrant remains open to this day.
Technological advancements in the 21st century have only added fuel to the fire. In 2003, the popular television program MythBusters demonstrated that a raft built to the exact specifications used by the inmates could, under the right tidal conditions, successfully navigate the bay to the Marin Headlands. This proved that survival was not a biological impossibility, but a matter of timing and luck. However, the most compelling evidence surfaced in 2018. Researchers applied modern artificial intelligence and sophisticated facial recognition software to a 1975 photograph allegedly taken in Brazil. The photo depicted two men standing on a rural road who bore a striking resemblance to the Anglin brothers. The AI analysis returned a high probability match, suggesting that the brothers had not only survived the crossing but had successfully disappeared into South America to lead lives of quiet anonymity.
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