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Story summary
- David Delong, 40, is charged with second-degree murder for allegedly killing Amber Czech, 20, with a sledgehammer at Advanced Process Technologies in Cokato, Minnesota.
- Delong reportedly confessed to planning the attack.
- His bail is set at $5 million with a court appearance on November 24.
- Surveillance footage shows Delong approaching Czech's workstation and swinging the sledgehammer multiple times.
