Original investigators of one of the highest profile unsolved murders in recent history unite to re-examine the tragic case 20 years later in THE CASE OF: JONBENÉT RAMSEY (previously titled "Case Closed"), a four-hour limited event docuseries from Emmy Award-winning Executive Producer Tom Forman ("9/11," "48 Hours") and Critical Content. The Case Of: JonBenét Ramsey premieres Sunday, Sept. 18 (8:30-10:30 PM, ET/8:00-10:00 PM, PT), and concludes on Monday, Sept. 19 (9:00-11:00 PM, ET/PT), on the CBS Television Network.