Man who killed brother and set cat on fire found dead in jail
Matthew Hertgen was found not guilty by reason of insanity for the murder of his brother while experiencing psychotic delusions. More
May 26, 2026
Matthew Hertgen
Matthew Hertgen was found not guilty by reason of insanity for the murder of his younger brother, Joseph Hertgen, who was stabbed and beaten with a golf club.
NJ man not guilty by reason of insanity for murdering brother, removing his eye
Matthew Hertgen was arrested after his younger brother, Joseph, was found beaten and stabbed with his right eyeball missing. More
March 18, 2026
Princeton man accused of murdering brother consents to detention
Matthew Hertgen is facing multiple charges, including first-degree murder, for the death of his younger brother, Joseph Hertgen. More
March 6, 2025