Which is MOST characteristic of mass murderers?

Question

Quizplus · Accepted Answer

Mass murderers often have feelings of persecution and a desire for revenge, fueled by a sense of resentment and anger towards society or specific groups. While some may have a diagnosis of antisocial personality disorder or a history of imprisonment, these are not universal characteristics. Being under the influence of illegal substances may play a role in some cases, but it is not necessarily the most defining characteristic.

Which Is MOST Characteristic of Mass Murderers