Joshua Robert Wallace, aged 30, tragically lost his life on June 9, 2022, in a mass shooting at Columbia Machine, Inc., a concrete plant in Smithsburg, Maryland. Wallace, along with two other colleagues, Charles Edward Minnick Jr., 31, and Mark Alan Frey, 50, were fatally shot by a coworker, Joe Louis Esquivel, 23, from Hedgesville, West Virginia. The incident occurred around 2:30 PM when Esquivel, who had been working his regular shift, retrieved a semi-automatic handgun from his vehicle and op
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