This paper reviews current literature on the recent and growing phenomenon of lone wolf terrorism. It aims to add data to this subject by analyzing trends and developments using a dataset created using RAND, START, and LexisNexis Academic databases. Analysis of the dataset clarifies five (5) finding trends:
To complement these findings, five case studies from the dataset are examined in-depth. These were chosen for their significance in terms of high rates of fatality or injury. The case studies are shown to be consistent with previous research themes, including psychopathology, social ineptitude, the facilitating role of the Internet, and a combined motivation of personal grievances and broader radical Islamic goals in the process of Islamic self-radicalization.