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Cold case murder trial in killing of Norwalk sixth grader set to move forward

Marc Karun is charged in the 1986 killing of Kathy Flynn, who was attacked while walking home from school.

News 12 Staff

Sep 2, 2026, 6:11 AM

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A man accused of killing a Norwalk sixth grader nearly 40 years ago returned to court as prosecutors move forward with a new trial.

Marc Karun is charged in the 1986 killing of Kathy Flynn, who was attacked while walking home from school.

The case remained unsolved for decades before advances in DNA technology led to Karun's arrest.

Karun's trial began last spring.

The case ended in a mistrial after allegations of possible evidence contamination.

Prosecutors have said they intend to retry Karun in Flynn's death.

Flynn was killed in 1986 while walking home from school in Norwalk.

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