Dateline NBC
Dateline NBC
NBC News
Missing Marie
42 minutes Posted Mar 4, 2020 at 3:00 am.
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In this Dateline classic, when Marie Singleton suddenly vanished, authorities wondered if she was a runaway, a victim of crime, or something else? Her secret job in the CIA would be revealed. Josh Mankiewicz reports. Originally aired on NBC on December 6, 2013.