Fifty years after her husband became one of the most reviled men in American history Marina Porter has revealed she is convinced Lee Harvey Oswald was not responsible for killing President John F Kennedy.
Half a century after a gunshot rang out and rendered her a widow with two young children to care for, the now 72-year-old has seen in public, stepping out to shop in Walmart.
Since her husband – a Soviet defector – was named the man responsible for assassinating JFK, Russian-born Marina has lived a quiet life behind closed doors, hiding away from suspicious eyes.
Gripped by fear and facing accusations from those who believe she was a co-conspirator in a KGB plot, the grandmother has lived in Rockwall, Texas since the mid-1970s with her second husband Kenneth Porter and three children.
But as the 50th anniversary of the tragedy approaches the now 72-year-old has emerged from her inconspicuous life.
Mrs Porter, is said to be struggling through a life blighted by illness, made worse by the impending 50th anniversary and the inevitable media frenzy which will ensue.
Immediately after the assassination the then mother-of-two told the Warren Commission investigating the assassination that she thought her 24-year-old husband was guilty of shooting the president.
But as the 50th anniversary looms, sources have revealed, the mother-of-three has, after reading 40,000 books and conspiracy theories about the shooting, she has changed her mind.
She now believes, along with the majority of American citizens, that a more complex cover up led to the shooting of the beloved president.
Close friend and documentary film maker Keya Morgan, said she now believes her husband was set up to take the fall for conspirators in the CIA and Mafia.
The 72-year-old is said to be convinced her phones are still tapped by the Secret Service and lives in fear of being targeted and killed by spooks herself.