Overview

• Jeremy Koch, 42, killed his wife Bailey, 41, and their sons Hudson, 18, and Asher, 16, before taking his own life on May 10, 2025.
• The tragedy occurred just hours before Hudson's scheduled high school graduation in Cozad, Nebraska.
• Authorities confirmed all four family members died from fatal knife wounds, with the weapon recovered at the scene.
• Jeremy Koch had a long history of severe depression and had been discharged from a mental health facility three days prior to the incident.
• The Nebraska State Patrol is leading the homicide investigation, with autopsies ordered and no ongoing public safety threat identified.