Articles and Research related to the terrorist attacks of September 11, 2001.

con·spir·a·cy [kuhn-spir-uh-see] - noun

1. an evil, unlawful, treacherous, or surreptitious plan formulated in secret by two or more persons; plot.
2. a combination of persons for a secret, unlawful, or evil purpose.
3. Law. an agreement by two or more persons to commit a crime, fraud, or other wrongful act.