Forensic Files S07 E28 Elephant Tracks

"No Witnesses. No Leads. No Problem."

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]