A suburban Chicago teen accused of killing his parents plotted with his friends for months before they went into the couple's bedroom, pummeled them with baseball bats as they slept and stole their money, authorities said Tuesday. The couple's son, John Granat, 17, was charged with first-degree murder Sept. 13, two days after his parents, John Granat, 44, and Maria Granat, 42, were found dead, all but unrecognizable, in their Palos Park bedroom. Authorities on Tuesday also charged three of the high school senior's friends in the couple's deaths. "They conspired over the course of months to come up...