Police officials looking for Jennifer Hudson’s missing 7-year-old nephew discovered on Monday the body of an African American boy the same age as Julian King in a white SUV on the city’s West Side. Nevertheless, authorities have not disclosed the identity of the dead boy.

The Academy Award-winning actress’ nephew has been gone since Friday, when Jennifer Hudson’s mother, Darnell Donerson, 57, and brother, Jason Hudson, 29, were found shot to death at their residence.

Julian King was at his grandmother’s home when he disappeared and police issued an Amber Alert for him, as well as for a 1994 white Chevrolet Suburban that is said to be the same car in which the unknown boy’s body was found today.

Jennifer Hudson, 27, established a reward fund of $100,000 for the safe return of Julian King and asked fans to pray for her and her family.

Julian is the son of Julia Hudson, Jennifer’s sister, and the prime suspect in the murders is William Balfour, Julia’s estranged husband and her son’s stepfather.

Although authorities had not discovered the motive for the murders, they explained that the case was “domestic related.”

William Balfour was taken into custody on Friday, but was not formally charged. He was moved on Sunday to the Illinois Department of Corrections “based on his active parole violation unrelated to this investigation,” as he has had several arguments with the law.

According to the Department of Corrections’ Web site, William Balfour is on parole and spent several years behind bars for attempted murder, vehicular hijacking, as well as possessing a stolen vehicle. He was released from prison approximately two years ago