Estranged wife fatally stabbed, teenager injured before man allegedly turns knife on himself but survives

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Estranged wife fatally stabbed, teenager injured before man allegedly turns knife on himself but survives

On February 12, 2026, around 8:15 p.m., Suffolk County Police responded to a domestic incident at 144 Granny Road in Farmingville, Long Island, NY, discovering 46-year-old Adriana Barbosa fatally stabbed, her estranged 57-year-old husband Marcos Leal (aka Marques-Leal) with self-inflicted stab wounds, and an injured teenage relative. Barbosa was pronounced dead at Stony Brook University Hospital; the teen had non-life-threatening injuries, and Leal was treated for serious injuries before charges.

  • Charges against Leal: Second-degree murder, first-degree criminal contempt, child endangerment (endangering welfare of a child).
  • Status: Leal remained hospitalized as of February 13; arraignment pending, no attorney listed in records.​
  • Motive: Not disclosed; attack occurred in front of teen.​

Victim Tribute and Context

Friend Pollyana Belo posted on Facebook: “Your qualities were countless… I am deeply disturbed by such brutality from those who should protect you”. This domestic violence case underscores risks in estranged relationships.​

For help: National Domestic Violence Hotline at 1-800-799-7233 or thehotline.org (24/7, multilingual). Follow Suffolk Police or local outlets like News 12 LI for court updates.​

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