Savannah Guthrie renews plea for answers in mother's disappearance: 'Do the right thing'
theguardian.com
An $100,000 FBI reward still hasn't cracked who took 84-year-old Nancy Guthrie — why do witnesses stay silent even when the stakes are this high?
Bystander EffectGame TheorySocial Norms TheoryPrincipal-Agent Problem

Theory Briefing
- Nancy Guthrie, 84, vanished from her Tucson home, and the FBI's $100,000 reward has yet to produce conclusive information.
- Savannah Guthrie's public plea — 'do the right thing' — is a direct appeal to anyone who knows something but hasn't come forward.
- Large cash rewards often fail to break silence when witnesses fear retaliation or feel loyalty to those involved, a pattern well-documented in missing-persons cases.
- The FBI's direct involvement signals investigators believe someone with knowledge of the disappearance has chosen not to share it.