To make the book and Hulu series ‘11.22.63’ more credible, author Stephen King and director JJ Abrams introduce a real-life plot element that the Warren Commission never investigated.
With the date set at March 25, 1963, the pair have less than eight months left in trying to figure out if Oswald was the sole person responsible for Kennedy’s death, and or whether the CIA played a role in said assassination
Source: TV Review: ‘11.22.63’ “The Eyes Of Texas” | The Young Folks