Matthew Hertgen listens to his attorney Jason Matey during a detention hearing in Mercer County Superior Court in Trenton on March 6, 2025. He is accused of killing his brother in Princeton.

Matthew Hertgen listens to his attorney, Jason Matey, in Mercer County Superior Court in Trenton during his his detention hearing on March 6, 2025. (Thomas P. Costello / Asbury Park Press pool photo) ...

Matthew Hertgen, who played soccer at Wesleyan University in Connecticut, has been charged with first-degree murder and weapons offenses following the death of younger brother Joseph Hertgen.

Matthew Hertgen, who played soccer at Wesleyan University in Connecticut, has been charged with first-degree murder and weapons offenses following the death of younger brother Joseph Hertgen.

Matthew Hertgen is accused of murdering his younger brother and a cat in their Princeton, N.J., apartment. (University of Michigan/ Mercer County prosecutor/ Google Maps) ...

Matthew played on the men's soccer team at Wesleyan University before he graduated in 2015. His brother, Joseph, also played soccer for the University of Michigan until his 2019 graduation.

Matthew and Joseph Hertgen were both successful college athletes. After playing for Toms River North High School, Joseph went on to play for the Wesleyan University soccer team in Connecticut.

Upon dropping Matthew Hertgen off at around 10 p.m., the third brother saw Joseph Hertgen and later texted him to “contact him immediately if he needed any help,” according to officials.

DailyMail.com learned that Matthew - who attended the ritzy private college Wesleyan University - had schizophrenia and was in and out of mental hospitals prior to his brother's murder.

One of Matthew Hertgen's friends from Toms River High School told Fox News Digital that he has "nothing bad to say" about the former soccer player, who went on to study at Wesleyan University in ...

His brother Matthew Hertgen, who played soccer at Wesleyan University, had a prior DUI conviction in 2017 but no other criminal history before this alleged murder.