In a deeply disturbing and tragic incident that has shaken the Selden community on Long Island, New York, a 15-year-old boy has been arrested and charged for Stabbing Grandmother and the attempted murder of his mother.
The horrific event unfolded late Monday evening and has left both local residents and authorities grappling with the magnitude of violence carried out within a single household.
According to the Suffolk County Police Department, the teenager allegedly carried out the stabbings at their residence before fleeing the scene, only to be apprehended later that same night. The charges of second-degree murder and attempted murder now weigh heavily on the young suspect, who remains unnamed due to his age.
A Night of Horror in a Quiet Neighborhood
It was around 9:45 p.m. on Monday when the horrific events began to unfold. According to authorities, 36-year-old Vanessa Chendemi was allegedly stabbed by her own teenager son, prompting her to flee the residence in a desperate attempt to seek help.
Covered in injuries and fearing for her life, she managed to make it outside where a passing motorist noticed her distress and stopped to help. That quick-thinking bystander became instrumental in alerting the authorities to the emergency that was still unfolding inside the house.
Responding officers arrived on the scene shortly thereafter and made a grim discovery. Inside the residence, they found 56-year-old Concetta Chendemi, the grandmother of the accused, suffering from multiple stab wounds.
Tragically, despite efforts to assist, she was pronounced dead at the scene. Her death marks a harrowing loss for the family and the broader Selden community, where she was known as a long-time resident.
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Vanessa Chendemi, although seriously injured, survived the attack. She was rushed to a nearby hospital and is currently reported to be in stable condition. While the full extent of her injuries has not been publicly disclosed, the trauma of the incident—both physical and emotional—is undeniable.
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The brutality of the attack, reportedly carried out by a family member, has raised urgent questions about what led to such an explosive and deadly act within a domestic setting.
The Suspect: A Teenage Boy Behind a Shocking Crime
The accused teenager, whose identity remains withheld due to his status as a minor, fled the scene after the attack. However, law enforcement quickly mobilized and launched an intense search for the suspect.
He was apprehended just over an hour later, around 11:20 p.m., bringing some measure of relief to the alarmed neighborhood. He now faces serious charges: second-degree murder for the killing of his grandmother and attempted murder for the stabbing of his mother.
As the suspect awaits arraignment, scheduled for Tuesday, attention has turned to uncovering the possible motive behind this shocking crime. Given his age, the case is bound to raise complex legal and ethical considerations.

If prosecuted as a juvenile, he may face a dramatically different outcome than if tried as an adult. New York State law allows for minors as young as 13 to be charged as adults in cases involving serious offenses, but each case is assessed on its own circumstances.
Family, neighbors, and school officials are now being interviewed as investigators piece together what could have driven a 15-year-old to commit such an unfathomable act of violence. Was this an isolated emotional outburst, the result of mental health struggles, or the culmination of ongoing family tensions?
These are among the many questions police and prosecutors are working to answer. In the meantime, the community has been left reeling from an incident that seems almost unimaginable in its savagery and scope.
Community Shock, Legal Ramifications, and the Road Ahead
Selden, a suburban hamlet in Suffolk County on Long Island, is a quiet residential area where violent crimes of this nature are exceedingly rare. The news of a grandmother being murdered by her teenage grandson and a mother surviving a brutal attack has left the community shaken and confused.
Candlelight vigils and moments of silence are expected in the coming days as neighbors attempt to show support for the grieving family while also trying to comprehend the scale of the tragedy. Local law enforcement has emphasized the seriousness with which they are treating the case.

Suffolk County Police have continued their investigation into the sequence of events leading up to the stabbing and have asked anyone with relevant information to come forward. The home, now a crime scene, has been cordoned off as forensic experts collect evidence and reconstruct the events of that fateful evening.
The broader implications of this case are multifaceted. First, there are the legal ramifications concerning juvenile justice. Should a 15-year-old be held to the same standard as an adult when charged with such grave crimes? Legal experts are likely to debate this vigorously as the case moves forward.
There is also the matter of mental health—did the accused have a documented history of emotional or psychological issues, and were there any warning signs? Schools and youth services may come under scrutiny regarding how they handle students exhibiting troubling behavior.
Additionally, this case reignites conversations around domestic violence and youth aggression. Although most violent crimes involving teenagers do not reach such deadly extremes, incidents like this highlight the urgent need for intervention and family support systems.
It’s not just about preventing violence; it’s about identifying families and youths at risk and providing the resources necessary to de-escalate potentially dangerous situations before they spiral out of control.

The family of the victims now faces an uncertain future. While one member lies dead and another recovers from critical injuries, the accused sits in custody, facing a lifetime of consequences. For Vanessa Chendemi, the physical wounds may eventually heal, but the emotional scars—losing her mother and being attacked by her own son—will undoubtedly linger.
The trauma inflicted upon the family cannot be measured merely in hospital stays or criminal charges; it is a deep emotional rift that may take years, if not decades, to mend.
As the legal proceedings commence, the community, legal authorities, and social services will be closely watching the next steps. The case is likely to receive ongoing media attention, not just because of its tragic and sensational nature, but also due to the broader issues it raises around juvenile justice, family dynamics, and mental health support for teenagers.
Ultimately, this tragedy serves as a sobering reminder of how domestic violence can erupt even in the most seemingly ordinary of settings. It calls upon society to better understand, identify, and intervene in troubled situations before they turn deadly. For now, Selden mourns the loss of one of its residents and prays for the recovery of another, while trying to make sense of an act of violence that no one ever expected.