As a security professional it is often less important to classify a potential threat as terrorism or crime than to identify and address the threat itself.

The worst terrorist act on U.S. soil was the bombing of the Murrah Federal Building in Oklahoma City on April 19, 1995.

The acronym ELF refers to:

The smallest sized cell is:

The CARVER model of target selection offers a useful tool for considering a target.

A security professional need only concentrate on their own facility when coping with terrorism.

Formal threat assessments are certainly important; however, regularly monitoring of the environment offers the opportunity to identify potential problems earlier.

An example of a non-violent extremist might be an animal rights supporter that uses no animal products at all.

It is impossible to identify potential targets.