To the best of anyone's knowledge, Lyndon B. Johnson, before he became US President had no knowledge of Jack Ruby. Ruby was known to the Dalas pomice force however, as a small time racketeer with ties to the Chicago mob. Ruby's reason for shooting Ozwald never made any sense and Ruby's actions helped fuel the conspiricy stories.
LBJ did learn of Ruby after he shot & killed Lee Harvey Oswald. Oswald, officially, assassinated President John F. Kennedy. There are many people who believe that Oswald was not alone in his killing of Kennedy.
Jack Ruby was a man.
Oswald did know Ruby because, Ruby owned a night club and Oswald want there a lot
Jack Ruby lived in Dallas, Texas.
Jack Leon Ruby is most famous for shooting and killing Lee Harvey Oswald. Jack Ruby was a nightclub operator in Dallas Texas. Jack Ruby has a connection with the gangsters.
That would have been hghly unlikely.
Jack Ruby was born on March 25, 1911.
No connection was ever established between Ruby and Oswald. Everyone suspected at first that Ruby had filled Oswald to silence him but no ties were turned up.
Jack Ruby was in prison at the Dallas County Jail in Texas.
Jack Ruby was a shooter, not a shooting victim.
Jack Ruby - record producer - died in 1989.
nobody did jack ruby died of lung cancer before new trial
Jack Ruby did not get a new identity after the assassination. Jack Ruby died of stomach cancer a few days before his trial date. Therefore, there was no need for him to; he was dead.