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One former FBI official sounded the alarm on a dangerous "assassination culture" in the nation as investigators revealed new information about Charlie Kirk's alleged killer – including the fact he was in a romantic relationship with his transgender roommate.

Retired FBI supervisory agent James Gagliano warned Sunday that the country is facing a dangerous rise in the ideation and explained how these investigations are "layered."

"We’re seeing this new ideation, which is assassination culture. What does that consist of?"

He said it begins with a grievance, then a feeling of superiority in their own ideology and finally moral absolutism.

COMPLETE COVERAGE OF CHARLIE KIRK

"You believe that you are superior. Your thinking is

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