The FBI is continuing its investigation into the disappearance of Nancy Guthrie, who went missing in February. As part of this investigation, the agency is evaluating ransom notes related to her case.

Some of these notes are being considered as potentially legitimate, while others have been deemed extortion attempts. The FBI has characterized the case as a kidnapping for ransom, and the investigation is ongoing.

Further details about the case and the FBI's investigation can be found through NBC 5 Dallas-Fort Worth, which has provided updates on the situation. The FBI's latest update was released on Wednesday.