'Do the right thing': Savannah Guthrie makes new plea in search for missing mother - WMAR
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An 84-year-old woman missing since February, believed taken against her will — why do public appeals by famous relatives sometimes move cases that evidence alone cannot?
Bystander EffectSocial ProofPrincipal-Agent Problem

Theory Briefing
- Nancy Guthrie, 84, has been missing since February, with authorities believing she was taken from her Arizona home against her will.
- Savannah Guthrie's public plea — 'do the right thing' — targets whoever has information, betting that social pressure can unlock silence that investigation hasn't.
- High-profile family connections can shift a case from local news to national attention, changing the incentive structure for anyone weighing whether to come forward.