Cruz heard voices too

Excerpt from Declassified document

Possible Influence on Subject(s)

Application of the microwave hearing technology could facilitate a private message transmissionI.t may be usefulto provide a disruptive condition to a person not aware of the technology.Not only might it be disruptive to thesenseofhearing, it could be psychologically devastating if one suddenly heard

"voices within one's head."

https:// www.wired.com/images_blogs/dangerroom/files/Bioeffects_of_Selected_Non-Lethal_Weapons.pdf