◆ SpookStack

NK 9-3514 Reservations Office on their out-of-state 800 number. On those occasions, the caller did not speak but only played SINATRA music in the background. SINATRA performed at Resorts last weekend without incident, and will again appear this weekend, May 30-June 1, 1980. On 5/27/80, Mrv MURRAY.MYRON, Bureau Consultant in Paycho- linguistics, “was contacted. His observations . support the possibility that the originator of the threat may also have sent similar letters to the President. REQUEST OF THE FBI LABORATORY The Document Section is requested to review the enclosed and search the Bureau's Anonymous Letter File for any possible comparisons or Imds. Also, cause to be searched the Anonymous Letter File of the US Secret Service. f Thereafter, forward this evidence to the Latent Fingerprint Section for development of any latents for possible future comparisons. 2%