Herver Leonel Garcia Munoz, 32, of Brentwood, was killed, and his son, Justin Martinez, now 3, was seriously injured Friday, May 10, 2013, in a head-on collision in Deer Park that also killed the other driver, Robert Fattibene, 53, of Smithtown. The child's mother, Yesenia Marilu Martinez Vasquez, 24, was injured. She and her son are hospitalized.