Word: xyy
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Dates: during 1970-1979
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...said the theory first appeared in 1965 when Patricia Jacobs found a higher than expected number of XYY males in a Scotch institution for the criminally insane. He said the idea spread when Richard Speck killed eight student nurses in Chicago in 1966, and the press incorrectly reported that he was XYY...
...number of XYY males in mentalpenal institutions is "a very small number" of the estimated 100,000 XYY males in this country, he said...
Beckwith said Walzer is using "subtle correction" to make parents participate in the study and may be violating HEW guidelines on informed consent in human experimentation. He said the hospital tells parents the the procedure is routine and asks them to sign a consent form. If the child is XYY, the parents receive a letter from Dr. Walzer offering help and Beckwith said "it is difficult for them to refuse...