A sustained upsurge in the frequency of kidnappings, attacks, arrests, and bombings in the Sahel in the past several years has heightened concerns that al Qaeda in the Islamic Maghreb (AQIM) is gaining traction in West Africa. Indeed, AQIM now has a substantial presence over vast stretches of the Sahel. A low-intensity terrorist threat that once lingered on the margins is now worsening at an escalating rate.