NOTE: This article was posted on someone’s Twitter on 7/20/2020 which prompted me to correct some errors I remembered having in it. The first sentence, which the tweet quoted to my dismay, read “there is a moderate to strong relationship between criminality and intelligence.” This was a misrepresentation of the data on my part, and I changed it to what it is now (below). I also responded to some criticisms about “high IQ people just being less likely to get caught” and deleted a couple sentences.

There is a low to moderate correlation between criminality and intelligence, but the average IQ of criminals and non-criminals is large and sociologically important. The evidence for this will be documented below, though explanations for why this is will be saved for another day:

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