Suffolk County Police reported the incident took place around 11:50 p.m., Thursday, Nov. 18, at the home located in Riverhead.
According to police, Riverhead Town Police responded to 1142A East Main St. for a call of a disturbance. When officers arrived, there was no one at the home and there was evidence of a struggle.
Responding officers located a female stabbing victim at Peconic Bay Medical Center in Riverhead a short time later, police said.
The victim, Marta Esmerelda Ramirez-Carbajal, age 20, was pronounced dead at the hospital.
The victim’s girlfriend, Karen Abigail Delacruz-Reyes, age 21, who was also at the hospital, was charged with manslaughter, police said.
Delacruz-Reyes will be arraigned Friday, Nov. 19 at Riverhead Justice Court.
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