Amid the ongoing probe in Nancy Guthrie case, one of her neighbors stated that a suspicious person was seen at their street intently, seemingly surveying the area on a significant date before the disappearance of the 84-year-old woman.

Today co-anchor Savannah Guthrie ‘s mom, Nancy Guthrie, is still missing after the abduction from her Tucson, Ariz., home—and recently, a digital forensics expert speculated that a device could be "ke...