Divers search Palos Park pond for murder clues

September 15, 2011 2:34:47 PM PDT
Firefighters searched a pond near a Palos Park home Thursday where a couple was beaten to death over the weekend.

John Granat, 17, is charged with killing his parents, John and Maria Granat. Their beaten bodies were found in their home Sunday morning.

On Thursday, divers went into a pond that's adjacent to the home to search for clues. Investigators have not found the murder weapon.