From my perspective, the only one responsible for the assassination died a little more than 24 hours after JFK was killed. No one else will ever be identified as complicit in the assassination.

From  the standpoint of the actual evidence, IOW, observations of irrefutable quality, Ruby's improbable rooomate, George Senator testified that he had worked at his
brother's Gloversville, NY soda fountain. The location in Gloversville happened to be within shouting distance of the Schein Chain Theatres' corporate office.

Senator's parents and David Schine's parents are interred in the small Gloversville Jewish cemetery. See:
Cemetery search page, last name Senator or Schine. George Senator's father, Abraham's grave location.:
https://www.findagrave.com/cemetery/64955/knesseth-israel-cemetery

RFK and David Schine's and Trump's mentor, Roy Cohn, came to physical confrontation in the Senate cloak room when the three worked on McCarthy's witch hunt.

Schine and Cohn created a spectacle when Cohn put pressure on the army to protect Schine from the full experience of the military draft. They toured Europe together,
visiting US Embassies' libraries to find and remove books they objected to the leftist subject matter of.

Schein's sister married Lester Crown, the son of the man described as having the most to gain resulting from timely assassination of JFK because investigations at the time
exposed the conflicts of interest and ethics lapses that Henry Crown feared would result in transfer of the contracts to build the F-111B combat aircraft by the defense contractor Crown controlled, General Dynamics.

Not long after David Schine was exposed and embarrassed resulting from Cohn's efforts on his behalf, Schine married his "beard", a recent Miss Universe,
In June, 1968, Schine's family owned the Los Angeles hotel in which RFK was shot nearly to death, Schine's role was General Mgr said to either have hired
security guard Cesar Eugene Thane and or had a direct role in Thane's work assignment resulting in Thane's being investigated as the actual or back up assassin
since more shots had been fired than could have all been sourced by Sirhan's weapon. Thane owned a hand gun of compatible caliber as the claimed assassination
weapon.

Schine's dad, Junius, also owned the Roney hotel and the Gulfstream on Miami Beach where Hoover and Tolson received a comped stay each winter. Mickey Cohen enjoyed gambling concessions in Schine's east and west coast hotels.

https://www.google.com/search?q=gulfstream+schine+miami+hoover+tolson&sca_esv=f82fb0e6dd84ffd6&udm=36&biw=1600&bih=732&sxsrf=APpeQnuym3JBR6fFRqZkNdxAc4rVIt3s_A%3A1784172863502&ei=P1FYao2yHo-_p84Pl5_WQQ&ved=0ahUKEwjNzfztodaVAxWP38kDHZePNQgQ4dUDCBI&uact=5&oq=gulfstream+schine+miami+hoover+tolson&gs_lp=EhBnd3Mtd2l6LW1vZGVsZXNzIiVndWxmc3RyZWFtIHNjaGluZSBtaWFtaSBob292ZXIgdG9sc29uMgUQABjvBTIFEAAY7wUyBRAAGO8FMgUQABjvBTIFEAAY7wVIhWxQgwhYiFZwAngAkAEAmAFjoAHTBKoBATe4AQPIAQD4AQGYAgagAuIDwgIIECEYoAEYwwTCAggQABiJBRiiBJgDAIgGAZIHAzQuMqAHvRCyBwMzLjK4B-ADwgcDMS41yAcKgAgB&sclient=gws-wiz-modeless

Schine put up Hoover and Tolson in his Gulfstream Hotel on Miami Beach, headquarters for the Mob's betting-parlor impresario Frank Erickson. The boys had taken to doping a nag occasionally, and mostly through Walter Winchell the word .....

Ruby's telephoned calls during the summer of 1963 included a call to Gloversville the investigation did not link to hometown boy, George Senator, but to a made mob member
Joe Cataldo, who the investigative record claimed was a call made to Cataldo's girlfriend's home where Cataldo was visiting. This suggests Ruby had more than the passing
familiarity with Cataldo that Ruby later claimed.

https://thenewyorkmafia.com/joseph-joe-the-wop-cataldo/
The New York Mafia
Genovese Soldier Joseph (Joe the Wop) Cataldo
A well-versed mafioso in nearly all street rackets, Cataldo nonetheless seemed to gravitate to and be most comfortable operating in a wide variety of bars and nightclubs, B-girl clip joints, homosexual bars as well as popular music venues throughout Manhattan....

David Schien and his wife were killed in 1996 in an airplane piloted by their son, also killed. The investigation determined that although the fatal crash occurred just after
take off the plane's fuel tanks were empty.

Lester Crown and Schine's sister near 100 years old now, are still alive. Lester, although once criminally charged, was a major influence on Obama's decision to run for President.

https://screenrant.com/fellow-travelers-david-schine-mccarthyism-true-story/
....How Fellow Travelers Changes David Schine's True Story
Schine Eventually Left Politics After Army-McCarthy Hearings

I count 3 "ifs" in that scenario.

So?

BD-

I am concerned that foreign-funded influencers are active in the JFKA space, especially those with Substacks. 

James DiEugenio excitedly wrote about how he was getting more readers and subscribers after he went on an extended Israel-bashing jag on his Substack. His comments section reeked to the moon, but DiEugenio was getting money and recognition.

We saw Morley go on Tucker Carlson and dogwhistle "Mossad waxed JFK."

At least William Niedernut, the anti-Semitic crackpot, is no longer "moderating" the EF-JFKA.

I am sorry you are not optimistic on the EF-JFKA. Maybe you are justified in your reservations.

Ideologues or stooges are nothing new in the JFKA space.

At the risk of sounding "anti-Semitic" or "anti-Israel," it is interesting that so many top members of the Russian Mafia happen to be Jews (Marat Balagula, Semyon Mogilevich, Monya Elson, and Boris Nayfeld come to mind), and that so many hold dual Russian-Israeli citizenship, making it easier for them to avoid prosecution.

If, as is suggested by the conscious head movements between Z-140 and Z-150 of everyone inside the limo except Greer, Oswald's first, missing-everything shot was at "Z-124" (half-a-second before Zapruder resumed filming at Z-133), and if he was standing during said shot (as is suggested by the Robert Hughes film), the muzzle of his short-rifle would have been inside the building when he fired it.

If that was the case, it would explain why several witnesses said the first shot sounded muffled compared to the second and the third.

I count 3 "ifs" in that scenario.

BD-

I am concerned that foreign-funded influencers are active in the JFKA space, especially those with Substacks. 

James DiEugenio excitedly wrote about how he was getting more readers and subscribers after he went on an extended Israel-bashing jag on his Substack. His comments section reeked to the moon, but DiEugenio was getting money and recognition.

We saw Morley go on Tucker Carlson and dogwhistle "Mossad waxed JFK."

At least William Niedernut, the anti-Semitic crackpot, is no longer "moderating" the EF-JFKA.

I am sorry you are not optimistic on the EF-JFKA. Maybe you are justified in your reservations.

Ideologues or stooges are nothing new in the JFKA space.