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On the night of August 11, 1936, radio broadcasts in Japan were about to end for the day, but citizens stayed tuned to hear about swimmer Hideko Maehata's pursuit of the country's first female gold medal at the Berlin Olympics.

Because the race was delayed, the announcer pleaded directly into the microphone for the station to keep broadcasting. His emotional, highly biased narration urged Maehata on as she competed against a German swimmer, four years after narrowly losing the gold in Los Angeles 1932.

When Maehata secured first place, the ecstatic radio broadcast repeated her victory 18 times amid intense cheering. According to sources like the book Electrified Voices, the excitement proved fatal for a local newspaper editor who had been listening at home and collapsed, never to get back up.

The exact cause of death remained unknown, but the incident earned the broadcast tool the dark moniker of the killer microphone. The announcer faced criticism for his lack of professionalism and was haunted by guilt for years, eventually visiting the man's grave to apologize.

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