Amazing Alcatraz discovery: Lasers reveal long-hidden military tunnel and fortifications
Experts have harnessed technology to unlock the hidden military secrets of Alcatraz Island. Using ground penetrating radar and laser scanning technology, experts performed high-tech scans of the penitentiary’s former recreation yard to reveal a long-hidden military tunnel and fortifications beneath the prison. Binghamton University Archaeologist Timothy de Smet, said that the structures were in incredibly good condition.
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Alcatraz Island, a 22-acre spit of rock surrounded by the deadly tides of San Francisco Bay, opened for its most notorious business when a group of federal prisoners arrived on this day in history, August 11, 1934.
Alcatraz Federal Penitentiary housed many of America’s most dangerous criminals for just 29 years — before closing in 1963 after its island operations proved far more costly than mainland-based prisons.
“Alcatraz was America’s premier maximum-security prison, the final stop for the nation’s most incorrigible prisoners,” reports AlcatrazHistory.com.
“The Rock” is best remembered as a Hall of Fame of hoodlums.
Its most notorious inmates included gangsters James “Whitey” Bulger, Al Capone and George “Machine Gun” Kelly, plus infamous “Birdman of Alcatraz” Robert Stroud and “Public Enemy No. 1” Alvin…
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