Final answer:
Critics of fusion centers focus on invasion of privacy, highlighting concerns post-9/11 attacks and debates between civil liberties and national security.
Explanation:
Critics of fusion centers are mostly concerned with the invasion of privacy.
Following the 9/11 attacks, concerns about intelligence agencies' lack of cooperation, legal restrictions, and privacy infringements have been significant. The increased surveillance technologies and government actions have sparked debates surrounding civil liberties and national security.
Learn more about Privacy issues and national security here:
https://brainly.com/question/41513122
