Dateline NBC Common Denominators
Aug 2, 2023
A cold case detective investigates a murder conviction, leading to suspicions of a serial killer and connections to other cases. The podcast covers the trial and conviction of Lynn D. Jack, as well as the struggles of the detective for justice and the possibility of a retrial. The podcast unveils the woman's untold story and explores decisions, lawsuits, and longing for justice.
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The Giambra Murder
- Joan Giambra was murdered in 1993, leaving her 11-year-old daughter Kathleen in a catatonic state.
- The initial investigation stalled, and the case went cold for years.
Case Reopened
- Trish Radzakowski, Joan's sister, urged Detective Delano to reopen the case.
- Initial DNA testing ruled out Joan's husband, who had died by suicide years earlier.
Donahue Identified
- The investigation revealed a bartender, Dennis Donahue, had dated Joan and made suspicious calls after the murder.
- Donahue's DNA matched evidence found under Joan's fingernails.