Princeton Student Murder: Warning Text Preceded Tragedy

Princeton Student Murder: Warning Text Preceded Tragedy

3 minute read
Published: 3/9/2025

In a chilling incident in Princeton, New Jersey, 31-year-old Matthew Hertgen is accused of murdering his younger brother, Joseph, just an hour after sending a warning text to him.

The incident raises serious concerns about mental health and family dynamics, as Matthew Hertgen, who reportedly struggled with severe mental health issues, allegedly killed his 26-year-old brother with a knife and a golf club shortly after reaching out for help through a warning text. With a history of athletic achievement, both brothers were well-regarded in their local community, making the tragedy even more profound. Matthew now faces charges that could lead to 30 years to life in prison, while authorities continue to investigate the motive behind the violent act.

The events leading up to the murder unfolded on a fateful day when the surviving brother, who has not been named, spent considerable time with Matthew. They ran errands together, which may have allowed for a semblance of normalcy in a tense situation marked by Matthew's deteriorating mental state. Despite their close proximity during the day, Matthew's internal struggles appeared to manifest violently just hours later.

Matthew Hertgen's warning text to Joseph indicated an alarming awareness of his deteriorating mental health. The message was brief but significant, as Joseph responded with assurance, stating 'Will do', suggesting he would check in if the situation became concerning. This response highlights the complicated communication often present in familial relationships, especially when mental health issues are involved.

Less than 45 minutes after sending the warning text, a frantic Matthew called 911 to report his brother's death. Authorities arrived at the scene to find Joseph suffering from significant injuries, including a missing eye. The nature of the injuries has prompted investigators to gather further evidence regarding the violent incident that unfolded inside their Princeton apartment.

Matthew Hertgen's struggles with mental health extend beyond this incident, with reports indicating he was experiencing terrifying visions leading up to the tragedy. His mental health challenges have raised questions about his ability to control his actions during the moments leading up to the murder. Matthew later told authorities he had 'gone into a fit of madness' shortly before the 911 call, a statement that suggests a lack of awareness and control over his actions at the time.

In addition to the murder charge, Matthew is also facing accusations of animal cruelty. The family's cat was discovered partially burned at the scene, adding another layer of distress to an already tragic situation. The link between animal cruelty and violent behavior in humans is a subject of ongoing research, prompting investigators to consider the implications this incident may have regarding Matthew's mental health.

While both brothers were accomplished athletes, with Matthew playing at Wesleyan University and Joseph being recruited by the University of Michigan, their shared achievements emphasize the stark contrast between their lives before the incident and the tragedy that transpired. Their athletic backgrounds and the expectations that may come with them add complexity to the familial and community loss felt following this act of violence.

As of now, authorities have not disclosed a specific motive for Matthew's actions. This lack of clarity has led to various speculations within the community.

If convicted of murder, Matthew Hertgen faces a sentencing range of 30 years to life in prison, a stark outcome that reflects the gravity of the crime.

This heartbreaking incident has not only devastated the Hertgen family but also serves as a wake-up call for communities to engage more actively in conversations around mental health, family dynamics, and the tragic outcomes that can arise from untreated psychological issues.