Dateline NBC

Written in Blood (2012) (20x67)

Uitzenddatum: Aug 17, 2012

Tim Permenter calls 911 to report a horrible discovery; his girlfriend Karen Pannell, a one-time model and flight attendant, has been murdered in her kitchen. On the wall next to her body is a message written in her own blood: the letters R O C. What does it mean? Dennis Murphy Reports.