Authorities in Nassau County, New York, are investigating the fatal stabbing of 28-year-old Robert Carragher, whose death on June 1, 2026, in Massapequa has prompted a homicide investigation and significant community attention. Law enforcement confirmed that the incident occurred during the early morning hours inside a residence on Beaumont Avenue.
According to the Nassau County Police Department, officers responded shortly after 1:30 a.m. following a 911 call reporting an injured person inside the home. When emergency responders arrived, they found Carragher suffering from a severe stab wound. Despite immediate life-saving efforts, he was pronounced dead at the scene.
Investigators state that the incident occurred inside the basement of the residence where Carragher lived with his parents. Initial reports indicate that Carragher was asleep at the time he was allegedly attacked and sustained a critical injury to the neck. Authorities have identified 22-year-old Kristin Scully as the primary suspect in the case.
According to investigators, Scully and Carragher were acquainted and had reportedly known each other for some time. Your provided details align with early investigative reporting suggesting that the two may have spent time together earlier in the evening before returning to the residence. However, police have not publicly confirmed the full sequence of events or a definitive motive.
Following the stabbing, Carragher was reportedly able to seek help from his parents, who were inside the home. Family members attempted to render aid and control the bleeding while awaiting emergency responders. Despite these efforts, Carragher succumbed to his injuries, and officials described the circumstances as especially tragic given the presence of his family at the time.
During a search of the residence, detectives reportedly located Scully inside the home shortly after the incident. A pocketknife believed to have been used in the attack was also recovered and has been taken into evidence for forensic analysis. This item is considered a key piece of evidence as investigators continue reconstructing the timeline.
Scully was taken into custody at the scene and charged with second-degree murder. Prosecutors allege that the stabbing was intentional, though officials have not publicly confirmed a motive. Investigators continue to review forensic findings, witness statements, and digital evidence to clarify the circumstances leading up to the incident.
The case has deeply affected the Massapequa community, where residents reported a large police response including detectives, forensic teams, and emergency personnel processing the scene. Neighbors and community members have expressed shock and sadness as details of the incident emerged.
Authorities have stated that the investigation remains active, with additional updates expected as evidence is reviewed and the case proceeds through the criminal justice system.