The DNA Detective
20/20 · Season 42 · Episode 6
Teacher's gruesome 1992 death launches decades-long mystery; Pennsylvania teacher's 1992 death grows cold
Episode Details
Air date, runtime, timezone, and episode position.
Season
42
Episode
6
Air Date
05/Oct/2018
Air Time
21:00
Runtime
—
Overview
Episode summary.
Teacher's gruesome 1992 death launches decades-long mystery; Pennsylvania teacher's 1992 death grows cold
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