Vocabulary,+search+terms

A **spree** killer, also known as a rampage killer, is someone who embarks on a murderous assault on his victims in a short time in multiple locations. A **gang** is a group of people who through the organization, formation, and establishment of an assemblage share a common identity, in this sense, as criminals.
 * Violence** is the expression of physical force against self or other, compelling action against one's will on pain of being hurt.
 * Culture** is an integrated pattern of human knowledge, belief, and behavior that depends upon the capacity for symbolic thought and social learning.
 * Mass Murder** is the act of murdering a large number of people, typically at the same time or over a relatively short period of time.
 * Murder** is the unlawful killing of another human being with intent.
 * Desensitization** is to make (an individual) nonreactive or insensitive to a stimulus.
 * Addiction** is a state in which the body relies on a substance for normal functioning and develops physical dependence.