Ex-star athlete accused in Princeton brother's grisly murder returns to court as prosecutors prep indictment

The Princeton, New Jersey, man known as a star student in high school, who is now accused of killing his brother and a family cat in a "fit of madness" last month, is scheduled to appear in court Monday afternoon.

Matthew Hertgen, 31, is accused of murdering his 26-year-old brother, Joseph Hertgen, in the family's Princeton apartment, allegedly with a knife and golf club. He is also charged with animal cruelty related to the death of a cat.

Monday's hearing in Mercer County Superior Court is a pre-indictment conference ...