Yes, he was with high probability the Patsy. He wasn’t bright enough to pull it off himself. He had influences.
Some of the recently declassified documents pin Oswald as hanging around CIA types. We also know GHWB was in Dallas the day of the murder. We also know GHWB was CIA. We can be reasonably suspicious there are some connections.
From link below:
The assassination of John F. Kennedy on November 22, 1963 has spurred numerous conspiracy theories, which include accusations of involvement of the CIA, the Mafia, sitting Vice President Lyndon B. Johnson, Cuban Prime Minister Fidel Castro, the KGB, or even some combination thereof. Some conspiracy theories further claim that the United States federal government covered up crucial information in the aftermath of the assassination.[1] Former Los Angeles District Attorney Vincent Bugliosi estimated that a total of 42 groups, 82 assassins, and 214 people had been accused at one time or another in various conspiracy scenarios.
[I think Soupy Sales killed JFK.]
https://en.wikipedia.org/wiki/John_F._Kennedy_assassination_conspiracy_theories
GHW Bush was the president of the Zapata Petroleum Company in 63' and not about to take a pay cut to be a CIA drone.