Malicious Hoaxes: four PSYOP events discussed here

Hoax: usage as a NOUN
a humorous or malicious deception:
"they recognized the plan as a hoax" · "he was accused of making hoax calls"
SIMILAR:
practical joke
prank, trick, ruse

usage as a VERB
deceive with a hoax.

https://en.wikipedia.org/wiki/The_War_of_the_Worlds_(1938_radio_drama)

Jacques Haussmann, aka: John Houseman (CBS Producer of War of the Worlds)
https://en.wikipedia.org/wiki/John_Houseman

Lt Tragg of Perry Mason, Ray Collins (War of the World CBS Oct 30, 1938)
https://en.wikipedia.org/wiki/Ray_Collins_(actor)
On July 11, 1965, Collins died of emphysema at St. John's Hospital in Santa Monica, California, at age 75. Masonic funeral services were held at Forest Lawn Memorial Park, Hollywood Hills

Charlie Chan at Treasure Island, Released September 8, 1939
https://en.wikipedia.org/wiki/Sidney_Toler

CIA Operation Phoeniz My Lai Massacre March 16, 1968
https://en.wikipedia.org/wiki/M%E1%BB%B9_Lai_massacre

RKO Radio Pictures owners of a dozen Cielo Drive properties (acquired November 1941)
https://en.wikipedia.org/wiki/RKO_Pictures

Abigail Folger, Sharon Tate, Leno LaBianca NATO Gladio M-7 bayonet murders, August 1969.