Tomorrow, at the White House's Summit on Countering Violent Extremism, a new conversation will begin about what we know, and don't, about deterring young people from joining the world's terrorists, militias and rebel movements. Spoiler alert: We don't know much.

The views in this opinion piece do not necessarily reflect Devex's editorial views.

About the author

  • Keith Proctor

    Keith Proctor is a senior policy researcher at Mercy Corps. A current visiting fellow at Tufts University's Feinstein International Center, Proctor writes regularly on development issues and holds degrees from Stanford, The Fletcher School of Law and Diplomacy and Harvard Divinity School.