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Farmingville Man Charged with Second-Degree Murder in Fatal Stabbing of Estranged Wife

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Published on February 13, 2026
Farmingville Man Charged with Second-Degree Murder in Fatal Stabbing of Estranged WifeSource: Wikipedia/Blogtrepreneur, CC BY 2.0, via Wikimedia Commons

A tragic event unfolded in Farmingville, Suffolk County, as Marcos Marques-Leal, 57, was accused of the fatal stabbing of his estranged wife before attempting to take his own life. The incident occurred around 8:15 p.m. Thursday at a residence on Granny Road. According to ABC7NY, police responded to a domestic call and discovered Adriana Barbosa, 46, with multiple stab wounds. She later succumbed to her injuries at the hospital.

Further details provided by 1010 WINS indicate that a teenage relative who was present in the home also sustained injuries during the attack. The teen was hospitalized with non-life-threatening injuries. Marques-Leal, who reportedly turned the weapon on himself as well, suffered serious injuries and was transported to Stony Brook University Hospital.

The accused faces charges of second-degree murder, criminal contempt, and endangering the welfare of a child. An arraignment date has not yet been announced. The incident has drawn attention within the community as the case moves forward through the legal process.

The motive behind the attack has not been disclosed, and the investigation remains ongoing. Authorities continue to review the circumstances surrounding the incident. Additional updates are expected as the case proceeds and Marques-Leal appears in court to face the charges against him.