Answer:
c. Lone-wolf avenger
Step-by-step explanation:
In criminology, the term lone-wolf avenger refers to someone who first prepare and then commit violent acts by themself (in other words, alone) and without helping or assistance from other group.
In this example, a reclusive individual leaves home following a tv documentary on the biblical sins of man over the ages, then he decides to randomly shoot persons in his neighborhood and says he was inspired by the show. We can see that he committed the violent act by himself and he didn't receive any active help or assistance from another person or group. Therefore, the suspect would most accurately be classifies as a lone wolf avenger.