The invitation, which was first reported by Crooked Media and confirmed to NBC News by an election official who received it, is scheduled for Feb. 25.

A retired FBI agent said the public nature of an alleged ransom note makes the Nancy Guthrie missing persons case "unusual."

There has been no response to two separate pleas from “Today” show host Savannah Guthrie’s family for their mother’s apparent kidnapper to make contact.

Data from the app for Guthrie’s pacemaker showed the device disconnected from her phone.