On February 2, 2008, a gunman opened fire inside a Lane Bryant store in Tinley Park, Illinois, killing five women and leaving one survivor. The mass shooting became national news overnight as investigators raced to identify the killer who vanished without a trace. In CounterClock Season 8, Delia reconstructs the first hours of the investigation through firsthand accounts, newly surfaced details, and interviews with people who were at the scene shortly after the murders.