The Next Phase of the Jihadist Threat in Saudi Arabia

Jihadism has deep roots in Saudi Arabia, the second-largest source of foreign militants in Iraq and Syria since the Syrian civil war began in 2011. Since the mid-2000s, Saudi security forces have contained the jihadist threat in the kingdom, aware of the economic and security dangers it could pose if left unchecked. But in the past year, Islamic State activity in the kingdom -- and a recent series of raids against alleged militants -- has raised fears that the threat may be growing beyond authorities' control....