This is just insane.

Here's a video that explains how the C1A plants audible voices into people's heads. This would be the last step of their#MKUltra program - to get their perps to go on shooting rampages!

This professor demonstrates to his class how two silent sound sources can be synced together into a wave traveling inside a directed beam so that any person in the path of the beam will hear the music or voices playing inside their heads.