Matthew Smith pleaded guilty to running a red light at 70 miles per hour while intoxicated and slamming into officer Patricia Espinosa's vehicle in Lake Grove back in January.
Detective Diller's partner took the stand on Wednesday and jurors saw body camera video of the moments that led up to the shooting.
Nassau County Officer Patricia Espinosa, 42, died after a driver allegedly failed to stop at a red light, striking her car, police said.
The sounds of sorrow rang out in Smithtown on Long Island as a community came together to honor Nassau County Police Officer Patricia Espinosa.
Roger Goodell presented the sons of fallen Det. Didarul Islam with footballs for a photo op, but more importantly, scholarships for their future.