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My Friend Dahmer (2017) Poster

Goofs

Anachronisms 

When Jeff gets kicked out of a supermarket for goofing off, several modern cars pass by from outside.
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While Jeff and his friends drive down to the mall, present day vehicles are visible behind them.
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On a couple occasions, Derf is seen drawing with a Sakira Pigma Micron pen. This particular artistic lining pen wasn't invented until the mid 80's; yet the movie takes place in 1978. Another time Derf is sketching with a Faber-Castell Pitt Artist pen, another drawing pen that wasn't available in that same time period.
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The school bus looks a bit more modern as opposed to the ones used in the 1970s.
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One of Jeff's classmates is shown several times throughout the film wearing a 'fade' haircut which was only beginning its popularity in the mid to late 1980s, although the film is set in 1978.
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Crew or equipment visible 

When Jeff, his brother and mother (Joyce) arrive at the courthouse, the cameraman is momentarily reflected in Joyce's sunglasses.
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(around 1 hr. and 12 min.) The camera's reflection can be seen behind the car, after Jeff and his friends park.
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Factual errors 

When Jeff returns to school in 1978, there's a poster for a Science Club. "Science" is misspelt as "Sciece".
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Toward the end of the movie when Dahmer gets in his VW, and turns on the Radio the DJ mentioned the Michael Stanley Band playing the night before. The Michael Stanley did not have a concert in Cleveland in June of 1978. The Michael Stanley Band had NO tours dates anywhere or anytime in June of 1978.
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Miscellaneous 

Near the start of the film, someone wears a Stagecrafters shirt - which is an acting group run by the mother of the Dave Dahmer actor.
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Revealing mistakes 

(around 36 min.) After Jeff gets his picture taken with a grim expression, he momentarily looks at the camera as he laughs with his friends.
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See also

Trivia | Crazy Credits | Quotes | Alternate Versions | Connections | Soundtracks

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