FBI office of the Deputy Director Philadelphia, Pennsylvania. The accompanying material (360 pages, hardback) is confidential and approved for your eyes only. The enclosed dossier was recovered on 7-17-16 from a crime scene that is still under active investigation. All details of this situation are classified three levels above top secret. BACKGROUND: The content of the dossier appears to have some relationship to an investigation conducted in north-west Washington State many moons ago by Special Agent Dale Cooper, who worked under my command at that time. - Mark Frost.