Sept. 12, 2011: Detectives found the bodies of John Granat, 44, and his wife, Maria Granat, 42, Sunday morning inside their house after receiving a 911 tip.
A Monday autopsy ruled the deaths of a Palos Park couple found over the weekend in their home were homicides.
John Granat, 44, and his wife, Maria Granat, 42, died from "traumatic" blunt force injuries, according to the Chicago Sun-Times. John Granat died from multiple blunt force injuries, apparently from an assault, and Maria Granat died from multiple blunt and sharp force injuries.
Detectives found their bodies Sunday morning inside their house, in the 12700 block of 81st Court in unincorporated Palos Park, after receiving a 911 call at 7:12 a.m. The caller, a relative, said there were two deceased residents inside.
Cook County Sheriff's deputies on Monday were questioning the relative who tipped off police.
Detectives previously called the deaths "suspicious" but were waiting for an autopsy to determine the exact causes of death.
They have not said whether or not the relative is a suspect.
Frank Skiki, a friend of the couple, said John Granat was in the construction business and that John and Maria immigrated more than 20 years ago from Poland
Neighbors told NBCChicago the couple had lived in the neighborhood for a long time and there never seemed to be any issues.
Cook County Sheriff's deputies remained outside the home Monday investigating the deaths.