The Texas police officer was handcuffed to Lee Harvey Oswald when he was shot dead at Dallaser Headquarters two days after the assassination of President John F. Kennedy in 1963.
Former Dallas Police Detective Jim Leavelle transported Oswald to the Dallas County Detention Center when the assassin was shot on 24 November 1963 by nightclub owner and police informant Jack Ruby.
Karla Leavelle, daughter of the pensioner detective, confirmed her father's death at FOX 4 Dallas.
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In addition to the television footage, historical photos show Leavelle wears a light suit and a matching cowboy hat whiz as a bullet in Oswald, who later died of the bullet wound.
Two days earlier, President Kennedy was murdered driving a motorcade during a campaign visit to Dallas. Oswald was arrested that day in connection with Kennedy's death and the deadly shootings of Dallas patrolman J. D. Tippit.
Another Leavelle daughter, Tanya Evers of San Antonio, told the Dallas Morning News that her father felt obliged to dispel conspiracy theories about Kennedy's murder and later Oswald's death as he grew older.
Leavelle previously said he had met Ruby at his nightclub, where officials were patrolling the closing time to avoid disruption. He said he spoke to Ruby again after his arrest.
"I told him," You know you did us no good by shooting at Oswald, "Leavelle told The Dallas Morning News before his death. "I just wanted to be a hero, and it looks like everything I've done is spoiled."
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Leavelle fought in the Navy during World War II and was aboard one of the first destroyer ships involved in the Japanese attack on Pearl Harbor on December 7, 1941 responded. He was born outside of Detroit, but settled in Dallas after leaving the Navy.
He celebrated his birthday last week in Colorado with a group of about 60 family members and friends – including a man who worked as a reporter for the Oswald shootout and a woman who wrote to Leavelle as a middle school student. After questioning Kennedy's murder, the Dallas Morning News reported. Leavelle crashed and broke the trendy Mon Thursday before his death.