
A 20-year-old welder was killed at her workstation by a male colleague who later told police he had 'been planning to kill her for some time'.
The arrival of surveillance footage, arrest records, and an official sheriff's statement has transformed what might once have been written off as a tragic one-off into a stark warning about gendered violence on industrial sites. Amber Czech, described by family and former teachers as a gifted and committed young tradeswoman, was found with catastrophic head injuries at Advanced Process Technologies in Cokato, Minnesota, on 11 November 2025; a male co-worker, David Bruce Delong, 40, was arrested at the scene and charged with second-degree murder.