Seconds is quite a wild Sci-Fi movie and was released in the autumn of 1966.
https://www.criterion.com/films/28428-seconds
https://en.wikipedia.org/wiki/Seconds_(1966_film)#Plot
It's as if someone wanted to take some aspects of the story and start a Paul_is_dead rumor.
"According to Tony Barrow, who wrote about it in his book "John, Paul, George, Ringo and me," the rumours about McCartney's death started circulating in September 1966.[1] At the time, Barrow was the press officer for the Beatles and was responsible for fielding calls from fans and the media. He began receiving a number of dubious calls from people asking about whether Paul was alright, but he denied those claims due to the fact he claimed to have called Paul. In early 1967, a similar rumour circulated in London that Paul McCartney had been killed in a traffic accident while driving along the M1 motorway on 7 January.[2] The rumour was acknowledged and rebutted in the February issue of The Beatles Book.[2] McCartney then alluded to the rumour during a press conference held around the release of Sgt. Pepper's Lonely Hearts Club Band in May." https://en.wikipedia.org/wiki/Paul_is_dead#Beginnings
Somewhere in-between the fall of 1966 and early 1967 was when the Paul rumor started to take shape.
The Rumor
"Nobody knows where or when the rumor began.
The earliest printed record of a Paul-is-dead story appears in the February 1967 issue of Beatles Book Monthly, the magazine of the official Beatles Fan Club.
It contains a one-paragraph article entitled “False Rumour.”
“The seventh of January was very icy, with dangerous conditions on the M1 motorway linking London with the midlands, and towards the end of the day, a rumor swept London that Paul McCartney had been killed in a car crash on the M1. But of course, there was absolutely no truth in it at all, as the Beatles’ press officer found out when he telephoned Paul’s St. Johns Wood home, and was answered by Paul himself ... ”
Speculation that Paul had been killed circulated around London during much of 1967.
McCartney himself alluded to the rumor during a Beatles press conference held in May of that year.
And a subsequent article in the New York Times recounts an incident at a London party in fall of ‘67, at which the Paul-is-dead rumor was joked about in the presence of the reporter.
At this point the trail of documentation goes completely cold.
Then, two years later, the rumor surfaced again..." http://ludix.com/moriarty/paul.html
http://www.gadflyonline.com/home/archive/MayJune00/archive-mccartney.html
https://en.wikipedia.org/wiki/Paul_is_dead#Premise
https://www.digitaltrends.com/news/watch-this-young-paul-mccartney-deepfake-turn-into-beck
http://thelennonprophecy.blogspot.com/2014/01/the-beatles-in-nycs-central-park-on.html
https://thedigitallabyrinth.blogspot.com/search?q=Paul+McCartney
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