Article continues below advertisementThe FBI has released its first suspect photo in Nancy Guthrie's disappearance case.A surveillance image shows the alleged kidnapper wearing a mask, a backpack and black gloves while standing in a tunnel.This announcement comes just one day after the FBI claimed they had not found any suspects. The police also said they are "not aware of any continued communication between the Guthrie family and suspected kidnappers."Article continues below advertisementSource: NBCNancy Guthrie is currently missing.