This study explores the beliefs, narratives and ideologies that lead to violent radicalism underpinned by an abusive interpretation of Islam, with a view to understanding of the causes and remedies for violent radicalisation. The research was conducted through analysis and empirical data collection through 145 stakeholder and primary fieldwork interviews in four Member States; Denmark, France, Germany and the UK. The interview sample was intended to capture the diversity of the Muslim ‘field’ in each country as far as possible