WARNING: GRAPHIC CONTENT AND EXPLICIT LANGUAGE
Police say Samuel Lazaro, 18, attacked a woman, 50, and her dog with a machete in Brownsville section of Brooklyn on Tuesday evening
Lazaro had been seen acting erratically and damaging parked cars prior to machete attack, according to the New York Police Department
He refused to put down his weapon and charged at cops, one of whom fatally shot him in the chest, according to witnesses and police
Darlene Duda, 50, suffered deep cuts to her head and both hands; her pit bull, Honey, 5, was sliced in the shoulder; both woman and dog were stable
Shocking video of the aftermath of the attack emerged showing a bloodied Duda trying to restrain Honey as first responders approached to render aid