Jack Ruby (born Jacob Leon Rubenstein) is a historical character who shot Lee Harvey Oswald in 1963, the man suspected of assassinating John F. Kennedy. Ruby’s sudden death and the controversy surrounding his actions continue to fuel debate and speculation.

What happened to Jack Ruby? 

Jack Ruby remains inextricably linked with one of the most momentous events in American History: His murder of Lee Harvey Oswald remains one of many intriguing questions today, while Ruby himself remains mysterious and shrouded in mystery.

Lee Harvey Oswald was shot by the FBI

Jack Ruby shot Oswald on November 24, 1963 while he was being transferred from Dallas Police Headquarters. Ruby was arrested after Oswald succumbed later to his injuries.

Trial and Conviction

Ruby was found guilty of first-degree murder. Ruby was initially sentenced death but this decision has been overturned by appeal. A new trial seemed likely, however due to Ruby’s declining health it never happened.

Death and Controversy

Jack Ruby died on January 3, 1967 from lung cancer and pulmonary embolism. This led to various conspiracy theories, including the claim that he was silenced in order to avoid being called as a court witness.

How did Jack Ruby die?

The mystery surrounding Jack Ruby’s death has added to the intrigue in his story.

Diagnosis of Death

Ruby died of lung cancer that spread to his liver and brain. Unfortunately, it was detected late. This led to his premature death on January 3, 1967. He was only 55 years old.

Conspiracy Theories

Ruby’s mysterious death has generated much discussion. Some suspect he may have been given cancer cells to silence him while others see his demise as suspicious or an attempt at controlling any information that might become public knowledge.

Who is Jack Ruby?

Understanding Jack Ruby sheds light on his complex actions.

Early life and Background

Jack Ruby, an American nightclub proprietor with alleged ties to the Chicago Outfit – a notorious organized criminal group – was a nightclub owner in America.

The role of JFK’s assassination

Ruby’s killing of Oswald sparked a variety of theories and speculations about his possible involvement in a larger conspiracy related to Kennedy assassination.

Jack Ruby’s Cause of Death

Jack Ruby’s death was caused by a pulmonary embolism, but his health had declined rapidly due to cancer symptoms.

Medical Condition

Ruby’s health deteriorated in prison where he was also diagnosed with cancer. His sudden death was caused by the disease and pulmonary embolism.


Ruby’s health deteriorated in prison. He was diagnosed with cancer, and also a pulmonary embolism. This led to his premature death.

The conclusion of the article is:

Jack Ruby is one of the greatest mysteries of American history. From the sudden violence, to the legal proceedings and his untimely death, to the unanswered question of why he killed someone so near to home, those who are interested in unraveling this dark chapter continue to be transfixed by its mystery. Ruby is a symbol of truth, justice and the complicated intersection between them.


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