THIS is why intelligent people ALWAYS question mass shootings...

Sources & Citations to FACT CHECK:

Operation Northwoods Documents proving they planned to commit terrorism/mass shootings against civilians within the USA: https://nsarchive2.gwu.edu/news/20010430/
Mainstream media article from ABC that talks about Operation Northwoods: http://abcnews.go.com/US/story?id=92662
Project's Artichoke & MKULTRA Documents proving they can brainwash civilians to become assassins or terrorists:
Shooting gun: https: //www.wanttoknow.info/mind_control/foia_mind_control/190691.1_assassins_programmed_mind_control
Planting Bomb: https://www.wanttoknow.info/mind_control/foia_mind_control/190527.1_bomb_girls_hypnosis_mind_control

Documentaries Featured:
The Second Gun (1973): https://www.youtube.com/watch?v=bjOjsOKS4gs
The Assassination of Robert Kennedy (1992): https://www.youtube.com/watch?v=qbeFEBkqJ7A
Evidence of Revision (2006): https://www.youtube.com/watch?v=BHb5X3fFhPw
Operation Gladio (1992): https://youtu.be/lTmFgGOlqTM

I highly recommend reading my essay which goes into more detail about this topic, specifically false flag terrorism around the globe via Operation Gladio & Gladio B: https://anewkindofhuman.com/unadulterated-truth-brief-factual-account-hidden-history-time/