A recent development in the Nancy Guthrie case has led to an increase in tips. Authorities released two credible ransom notes that were sent to her family after she was abducted. The release of these notes has generated some additional information from the public.

According to the sheriff's department, there was a slight increase in tips following the release of the ransom notes. Further details about the case and the tips received are available from the authorities. The sheriff's department has provided some information, but full details can be found through their official channels or news sources like ABC7 News.