Marcos Marques-Leal murder indictment
Marcos Aurelio Marques-Leal was indicted for Murder in the Second Degree on March 2, 2026, in Suffolk County, New York, for the stabbing death of his estranged wife, Adriana Barbosa, in her Farmingville home on February 12, 2026. As of March 2, 2026, Marques-Leal faces charges including second-degree murder, first-degree criminal contempt, and endangering the welfare of a child, to which he pleaded not guilty on February 18, 2026. The investigation revealed Marques-Leal violated an order of protection and forced his way into Barbosa's home, stabbing her multiple times, and also injured a teenage relative before stabbing himself. Barbosa, 46, was pronounced dead at Stony Brook University Hospital, while the teenage victim received treatment for non-life-threatening injuries.
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6 updatesSuffolk County District Attorney Raymond A. Tierney announced on March 2, 2026, that Marcos Aurelio Marques-Leal has been indicted for Murder in the Second Degree for the stabbing death of his estranged wife, Adriana Barbosa. The investigation revealed Marques-Leal violated an order of protection and forced his way into Barbosa's home, stabbing her multiple times.
Marcos Marques-Leal, accused of fatally stabbing his estranged wife Adriana Barbosa and injuring a teenager, had his court appearance adjourned until March 2. He pleaded not guilty to charges of second-degree murder, first-degree criminal contempt, and endangering the welfare of a child.
Marcos Marques-Leal, 57, pleaded not guilty on February 18, 2026, to the murder charge in connection with the stabbing death of his estranged wife, Adriana Barbosa, 46. The incident occurred on February 12, 2026, at Barbosa's Farmingville home, where a teenage relative was also injured. Marques-Leal is also accused of stabbing himself after the attack.
via patch.com
Reports confirmed that Adriana Barbosa was pronounced dead at Stony Brook University Hospital. The teenage victim was treated for non-life-threatening injuries at the same hospital. The investigation into the circumstances surrounding the stabbing remained ongoing.
via greaterlongisland.com·southshorepress.com·dailyvoice.com·suffolkpd.org·lilifepolitics.com
Suffolk County Police arrested and charged Marcos Leal with second-degree murder, criminal contempt in the first degree, and endangering the welfare of a child. Authorities stated that Leal would be arraigned at a later date once medically cleared.
via greaterlongisland.com·southshorepress.com·dailyvoice.com·suffolkpd.org·lilifepolitics.com
Marcos Leal, 57, allegedly stabbed his estranged wife, Adriana Barbosa, 46, to death in their Farmingville home. A teenage relative was also injured in the attack. Leal then stabbed himself and was taken to Stony Brook University Hospital with serious injuries.
via greaterlongisland.com·southshorepress.com·dailyvoice.com·suffolkpd.org·lilifepolitics.com
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