•One of the 1st that always comes to my mind is that the WHOLE FBI for decades told the american public that there was NO SUCH THING as "Organized Crime" or "international criminal gangs" it was a MYTH.
•the Gov't the media and books said that the civil rights and anti war movement in the 40s - 60's was paranoid and had an agenda in accusing the Federal gov't of spying and harassing them. But the federal gov't admitted years that they were illegally spying on, harassing, putting in agents to sow problems, faking events to blame on those groups and more. the FBI's program for this was called "cointelpro"
•the state and local gov'ts and the national media and books said that the civil rights and anti war movement in the 40s- 60's were paranoid and had an agenda in accusing the the state and local elected officials and law enforcement of secretly working
with groups like the KKK to defeat civil rights and other issues. and coordinate infiltration, spying and harassing them. one of those programs was called "Mississippi Sovereignty Commission"
•"Operation Mockingbird" where CIA Funded propaganda in private media in the US and abroad. with CIA plants and friendly's in place at the major news outlets to effect public opinion and "knowledge".
•"Operation Ajax" where the CIA killed the democratically elected Iranin president. Covered up for decades.
•"Operation Galdio" where the Cia and NATO did terrorist attacks in europe and blamed it on comunist and leftist. went on for decade may still be going on.
•"MKUltra" where the gov't used LSD and other drug and techniques against citizens wills to brainwash and mind control people.
•"Tuskegee experiments" and Nuke radiation experimentation: Tuskegee where gov't doctors lied to men with syphilis that they were treating them but they were actually just documenting the progress of the disease. Nuke materials and bomb fallout exposer was done to soldiers, college students and even children often without there knowledge.
•During Prohibition some FBI agents regularly poisoned some illegal liquor with methane, formaldehyde, ammonia, arsenic, kerosene and more to make it appear that booze was in fact deadly to go along with their propaganda to dissuade the public from alcohol use. Many did in fact die.
•Gulf war I CIA Had a young woman
Nayirah al-Sabah lie to the UN and congress about incubator babies supposedly killed by Iraqi soldiers.
•Cigarette Corps and Asbestos Corps hide cancer for decades. both of those industries knew that their products caused cancer, they work in concert, and paid for false studies, did propaganda and fought regs and cajoled politicians while Americans died and they made $$$.
•"Iran-Contra" Secret Deals from Iran ,CIA providing drugs for money (L.A. Crack boom) to supply guns for contras under executive control.
•Quebec police
in 2005 to throwing stones at other Israeli soldiers so they could blame it on Palestinians, as an excuse to crack down on peaceful protests by the Palestinians