Forensic Files - Season 7 Episode 28 Elephant Tracks No Witnesses. No Leads. No Problem.
Overview: The murders of an elderly couple, Edward Kowalzck and Gertrude Thompson, leave detectives stumped until, two years later, they receive a major break. A jeweler looking through old newspaper clippings recognizes a necklace the female victim wore as having been pawned in her own shop. [also marked as S7:E14]