The North American radical Islamist compounds exposed by The Day of Islam author Paul L. Williams and Northeast Intelligence Network director Doug Hagmann also exist in Britain.
In the United States, Muslims of the Americas Inc., a tax-exempt organization formed in 1980 by Pakistani cleric Sheikh Mubarak Ali Gilani, who refers to himself as "the sixth Sultan Ul Faqr", operates dozens of radical Islamic compounds, which flourish in out-of-the-way rural areas.