◆ SpookStack

UNCLASSIFIEDFOUO EXECUTIVE SUMMARY In approximately May 2017, the FBI began investigating several reports by U.S. Embassy personnel in Havana, Cuba, of what appeared to be. acoustic 'attacks' with some kind of device that emtted directional ultrasonic or higher frequency sound beams or energy, such as radio vestibular, auditory, and cognitive symptoms, in addition to other ailments. While these events appear to have begun in Havana in late 2016, similar events have periodically been reported around the world. In approximately May 2018, the FBl also began investigating similar reported events with similar symptoms in China. This case revolves around the issue of whether an unknown offender(s) used an unknown device that may emit frequencies or waves to injure these indviduals. In approximately August 2018, the FBI requested that the FBI's National Center for the Analysis of Violent Crime (NCAVC), Behavioral Analysis Unt-2 (BAU-2). Cyber Behavioral Analysis Center (CBAC), conduct a behavioral analysis of these reported experiences. In this assessment, we applied frameworks of and other behavioral research b7E -4 Based on information available at the time this report was prepared, our analysis indicates Page 0 of 23 UNCLASSIFIED*FOUO FBI(22-cv-3590)-1