- Ransom note claimed Nancy Guthrie died after abduction BBC
- Nancy Guthrie: Ransom note connected to her disappearance said she had died CNN
- Nancy Guthrie abduction: 2nd ransom note sent to Tucson TV station said she died Yahoo
- Inside the Nancy Guthrie Kidnapping Investigation: Part II – The Ransom Notes Air Mail
- Nancy Guthrie ransom notes likely came from abductor who said she died, investigators believe CBS News