The Salafi movement (often referred to as the Wahhabis) includes such diverse figures as Osama bin Laden and the Mufti of Saudi Arabia and reflects a broad array of positions regarding issues related to politics and violence. This article explains the sources of unity that connect violent extremists with nonviolent puritans. Although Salafis share a common religious creed, they differ over their assessment of contemporary problems and thus how this creed should be applied. Differences over contextual interpretation have produced three major Salafi factions: purists, politicos, and jihadis.