The murder of 20-year-old welder Amber Czech has sent shockwaves through Minnesota and across the US trades community after police said she was attacked and killed with a sledgehammer by coworker David Bruce Delong.
According to NBC Chicago's report on the attack, deputies arrived at the Advanced Process Technologies facility in Cokato around 6 a.m. on 11 November, where they found Czech at her workstation with 'significant head trauma'. She died at the scene despite emergency efforts.
