This conspiracy in itself is one of the more popularly believed in by conspirators compared to other theories. 13% of conspiracy believing Americans say that it was Lyndon B. Johnson and the US government that had President Kennedy assassinated. there are many conspirators that also believe in other government aspects such as the Secret Service and the C.I.A but to 13% of believers say it was LBJ.
When you think about it LBJ had a fair bit to gain from the death of President Kennedy. Just 2 years previously LBJ had lost his political campaign to Kennedy for presidency, during which he clearly and publicly expressed his distaste for his younger candidate. With Kennedy's death meant that he was immediately sworn into one of the highest positions in the world and fulfilled his goal to become president of the United States. Also with LBJ being from Texas he had a strong support there political wise which makes it the perfect place for the assassination. In the 2013 book "The man who killed Kennedy" says "Johnson hated Kennedy and feared being dropped from the 1964 political campaign. All these points add up in the eye of conspirators making it one of the more commonly believed theories of the assassination.
When you think about it LBJ had a fair bit to gain from the death of President Kennedy. Just 2 years previously LBJ had lost his political campaign to Kennedy for presidency, during which he clearly and publicly expressed his distaste for his younger candidate. With Kennedy's death meant that he was immediately sworn into one of the highest positions in the world and fulfilled his goal to become president of the United States. Also with LBJ being from Texas he had a strong support there political wise which makes it the perfect place for the assassination. In the 2013 book "The man who killed Kennedy" says "Johnson hated Kennedy and feared being dropped from the 1964 political campaign. All these points add up in the eye of conspirators making it one of the more commonly believed theories of the assassination.