Terrifying true story involving Jeffrey Dahmer's grandmother in Netflix show

Netflix viewers have been left wondering what happened to Jeffrey Dahmer’s grandmother in real life after watching the gruesome series.

The 10-episode true crime drama, Monster: The Jeffrey Dahmer Story, has given people are graphic look into the crimes committed by one of America’s worst serial killers.

Dahmer is played by American Horror Story star Evan Peters and the character’s grandmother Catherine Jemima Hughes (played by Michael Learned) is introduced in the second episode.

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Episode two dramatises the period of time after Dahmer was discharged from the military and moves back home to live with his father and stepmother.

This arrangement doesn’t last long as he soon moves in with his grandmother in Wisconsin in 1981. After murdering hitchhiker Steven Hicks soon after his high school graduation, Dahmer began killing again in his grandmother’s home.

Dahmer confesses to killing three men in his grandmother’s episode, which viewers hear the killer reveal in the fifth episode.

Steven Tuomi was killed by Dahmer at the Ambassador Hotel in Milwaukee in 1987 and his body was taken to his grandmother’s house where he was dismembered.

James Doxtator was killed in Hughes’s house and his body was left in the basement for a week before Dahmer dismembered him.

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Richard Guerrero and Anthony Sears were also killed in the house and Dahmer kept the latter’s head and genitals.

It is believed Hughes had no idea about her grandson’s vile actions however Dahmer suggests she may have had her suspicions.

In the series, when asked about the strange smell coming from the basement, Dahmer lies and says it was his ‘taxidermy stuff’ and tells his grandmother there was a ‘dead racoon under the back porch’.

On one occasion, Dahmer lured a young man to the house and gave him a drugged coffee however Hughes interrupted the encounter.

Because of this, Dahmer decided not to kill this man and instead waited until he became unconscious before taking him to the hospital.

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In September 1988, Hughes asked her grandson to move out because of his heavy drinking, the stream of young men he brought to her house late at night and the unusual smells.

Despite popular belief, the serial killer and cannibal did not murder his grandmother.

In the 1993 book The Shrine of Jeffrey Dahmer, author Brian Masters said Dahmer’s grandmother was the only family member he showed affection.

Hughes reportedly died in 1992 at the age of 88. Dahmer was finally arrested in 1991 and was sentenced to 15 life imprisonment terms in 1992. This was later extended to 16. He was killed in prison by a fellow inmate, Christopher Carver, in 1994.