Sanity's Thin Line: The Tragic Case of Matthew Hertgen The death of Matthew Hertgen, a former elite college soccer player found not guilty by reason of insanity for killing his younger brother Joseph in 2025, has raised disturbing questions about the intersection of crime and sanity.
Hertgen was convicted of brutally killing his brother with golf clubs.
Matthew's life took a devastating turn when he began to experience severe psychiatric symptoms, including escalating psychosis, schizophrenia, apocalyptic beliefs, and even cannibalism – all documented by forensic psychologist Dr.