Dateline - Season 27 Episode 34
When a young teacher in Pennsylvania is murdered, her friends wonder if the killer will be caught. Following years without an arrest, investigators discover a new tool that may finally help unlock the murderer's identity.
- Genre: News, Documentary
- Studio: NBC
- Keyword: homicide, interview, murder, true crime, missing person, investigative journalism, news magazine, homicide investigation, serious, mysterious disappearance, mystery, correspondent
- Cast: