The robbery occurred at 22:20 on Friday, October 11, 1924, at the First National Bank of St. Louis, located across from City Hall in downtown St. Louis at 319 Clay Street. At the time, St. Louis thrived as a vital financial gateway for Montana’s bustling gold mining industry, with its banks serving as critical hubs managing vast deposits from miners and businesses. The First National Bank stood as a cornerstone of this regional economy, safeguarding millions in cash and securities within a vault built to inspire