The Defense Advanced Research Projects Agency (DARPA) sets out on an initiative to develop nonsurgical neurotechnology - also used for mind control, in this clip from Season 4, "Mind Control."

#AmericasBookofSecrets

Watch all new episodes of America's Book of Secrets, Tuesdays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule.

Subscribe for more from America's Book of Secrets and other great The HISTORY Channel shows:
http://histv.co/SubscribeHistoryYT

Watch more America's Book of Secrets on YouTube in this playlist:
https://www.youtube.com/playlist?list=PLob1mZcVWOahXrQrSF4qh4nXxElc6lo72

Check out exclusive The HISTORY Channel content:
History Newsletter - https://histv.co/newsletter
Website - https://histv.co/History
Facebook - https://histv.co/Facebook
Twitter - https://histv.co/Twitter

HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.