So, why do people think that Capote wrote TKAM? Apparently, they believe it's because Lee only wrote two books in her entire career while Capote went on to write a bunch. Lee's sister, Alice C. Lee, claimed that Capote made up that rumor because he was jealous of her sister's work.
MLK's Assassination
It's common knowledge that famous civil rights leader Martin Luther King Jr. was assassinated at a hotel in Memphis, Tennessee. He stepped out onto his balcony late at night and was shot by James Earl Ray. Ray was convicted of the murder and pleaded guilty. But, many people, include King's children, believe that there's more to the story.
A wide scope of people believes that Ray did not work alone, or did it at all. Many believe that the KKK or the FBI were heavily involved with the assassination plot and that Ray was just a cog in the machine. The US Justice Department investigated the case three separate times. The first case suggested a wider conspiracy, while the last two put the theory to rest.
Roswell, New Mexico
The Roswell conspiracy and the Area 51 conspiracy usually go hand-in-hand. On July 4th, 1947, Mac Brazel went out to his field in Roswell, New Mexico to tend to his sheep. He ended up finding a "crash site" of some sort of UFO and called the local sheriff, who ended up calling the Roswell Army Air Force.