The Princeton, New Jersey, man accused of killing his brother and a family cat allegedly told police he had a "fit of madness" when they responded to the scene of the crime.

Matthew Hertgen is facing multiple charges, including first-degree murder, for the death of his younger brother, Joseph ...

The affidavit from the Mercer County Prosecutor's Office shares gruesome details from the night and information leading up to the 911 call.

A detective’s affidavit described a gruesome scene when Princeton patrol officers arrived at the brothers’ apartment on the ...

Matthew Hertgen is accused of brutally killing his brother, Joseph Hertgen, in Princeton. A relative told police he has ...

Junior Mitchell Schott was named the High Point Swimmer of the Meet after winning three individual events and being part of a ...

The son of a tech multi-millionaire, Matthew Hertgen reportedly posted violent poetry, set fire to his home and killed the ...

The casket of a Princeton man whose brother is accused of murdering and mutilating him arrived at a New Jersey church ...

As his family was gearing up to attending his brother Joseph Hertgen's funeral on Saturday, Matthew allegedly tried to take ...

Matthew Hertgen, 31 — who wore a suicide vest during a virtual court appearance earlier in the day — tried to take his own ...

Matthew Hertgen, of Princeton, was due back in court on March 6. He is charged with the murder of his younger brother, Joseph ...