At the time, even FBI director J. Edgar Hoover told newly sworn President Lyndon Johnson (in a recorded phone call) that the case against Oswald was too weak to get a conviction. Later, Dallas Police Chief Jesse Curry would say, “We don’t have any proof that Oswald fired the rifle, and never did. Nobody’s yet been able to put him in that building with a gun in his hand.”
Victoria Adams has more to say
https://skydancingblog.com/tag/dallas-police-chief-jesse-curry/