Jabhat Nusra is a Syrian Salafist organization that is increasing both its lethal capability and its popular base in Syria. The document analyzes various armed groups in Syria, focusing on their religious ideologies, particularly Salafism. It highlights the rise of Jabhat Nusra, detailing significant attacks from January to October 2012, and notes the group’s increasing lethal capability and popular support despite its radical ideology. The report shows a fluctuation in attack methods over time, with a notable shift in the types of violence employed by Jabhat Nusra.