A ‘lone wolf’ terrorist

A ‘lone wolf’ is one who prefers to act, live, or work alone.

A ‘lone wolf terrorist’ is an individual who adopts extremist ideology and chooses to act accordingly, but does so alone, not as a part of a particular group or not under group command or with group assistance. Here is a link to a story on lone wolf terrorism:

http://nation.time.com/2013/02/27/the-danger-of-the-lone-wolf-terrrorist/