So Jack Ruby killed Oswald to keep him quiet.
So Jack Ruby killed Oswald to keep him quiet.
That has seemed likely since Ruby did it. Lyndon Johnson had ties to the mob in Dallas.
http://www.glennbeck.com/2013/11/20/was-lbj-involved-in-the-kennedy-assassination/
No secret Jack Ruby was mob.
The local police neglected to follow the advice of the FBI when taking Oswald through the parking garage with all of the press collected. It was instantly thought at the time outside of government press releases that Ruby did rub him out.