The growth of the Boko Haram armed movement in Nigeria illustrates the capacity of modern Islamist groups to diversify and make an effective impact - aided by the local state's response.
A wave of attacks in northern and central Nigeria have been attributed to the Islamist organisation Boko Haram. But the true extent of their capabilities and goals remain something of a mystery, explains Murray Last. This article was first published on the Royal Africa Society's African Arguments