A woman was fatally stabbed at her home on Long Island, New York, and a teenage relative was injured after her estranged husband allegedly attacked them before turning the knife on himself in an apparent suicide attempt. The Suffolk County Police Department confirmed in a press release that Adriana Barbosa was found with stab wounds at her home on Thursday, February 12. Barbosa's estranged husband, Marcos Marques-Leal, was also found at the scene with stab wounds.