CBS will air an episode about Maria Ridulph and the Jack McCullough case in a new episode of “48 Hours” at 9 p.m. Saturday. Erin Moriarty will report in the episode, “Cold as Ice.”

McCullough was found guilty in September of kidnapping and murdering Ridulph, crimes which occurred in Sycamore in 1957. Ridulph was 7 years old at the time of her kidnapping and murder.