$37 Million Gone: How They Built a 120-Foot Highway to the Vault

In March 2015, one of America's most sophisticated bank robberies shocked law enforcement. Five men dug a 120-foot tunnel beneath a Colorado bank, bypassed $40 million in security systems, and extracted $37 million without triggering a single alarm. This is the true story of engineering genius, patience beyond belief, and how human nature defeated the perfect crime.
Thomas Mercer wasn't your typical bank robber. He was an engineer who understood that security systems protect what's above and around—but nobody monitors what's below. For over six months, Mercer and his crew worked in complete darkness, digging a tunnel from a rented Victorian house directly beneath Rocky Mountain Bank. They removed hundreds of tons of earth by hand, concealed the excavation perfectly, and built a route that security cameras would never detect.
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