"Some US police departments have set a maximum IQ score for new officers (for example: 125, in New London, CT), under the argument that those with overly-high IQs will become bored and exhibit high turnover in the job. This policy has been challenged as discriminatory, but upheld by at least one US District court. "
If there are factual inaccuracies there, please point them out. However just going by the "whiff" of something seems like you're opening yourself up to rejecting parts of reality that do not fit your worldview.
Because pretty much everything I can find on it has the whiff of urban legend, which folk like you repeat because it feed into their worldview.