Man Found Not Legally Responsible for Brother’s Death Due to Severe Mental Illness
A Princeton tragedy has taken a new legal turn after a Mercer County judge decided that a local man’s serious mental condition did not constitute criminal responsibility for his brother’s murder. The case, which stunned the neighborhood last year, involved 32-year-old Matthew Hertgen attacking his 26-year-old brother Joseph in their shared apartment. Forensic evidence presented…

