Black Americans have an average IQ of 85
https://www1.udel.edu/educ/gottfredson/30years/Rushton-Jensen30years.pdfChronic adult criminals have an average IQ of 85
https://archive.is/iRPsZ#selection-131.67-131.126At each poverty concentration level, the violent crime rate is substantially higher in black than in white census tracts.
http://archive.is/iRPsZ#selection-127.113-131.174IQ and self-reported lifetime violence accounts for racial disparity in criminal justice processing
https://www.sciencedirect.com/science/article/pii/S0191886913000470In 1959, the American Association of Mental Retardation set the threshold of mental retardation at <85
http://archive.is/1mNdz#selection-311.2-311.69In 1992, the renamed American Association on Mental Retardation lowered the mental retardation "ceiling" to an I.Q. of 70-75, but many mental health specialists argue that people with I.Q.s of up to 80 may also have mental retardation.
https://www.hrw.org/reports/2001/ustat/ustat0301-01.htmThe white-black gap in SAT scores, a proxy for IQ, is increasing
https://archive.is/uSx7uBlack women are about 2X more likely than white women to be jail.
Black men are about 6X more likely than white men to be in jail.
http://thealternativehypothesis.org/index.php/2016/09/25/child-abuse-and-racial-differences-in-crime-and-iq/Dumb people are more criminal than smart people
https://www.researchgate.net/publication/7782473_On_intelligence_and_crime_A_comparison_of_incarcerated_sex_offenders_and_serious_non-sexual_violent_criminalsUS data: At each poverty concentration, the violent crime rate is substantially higher in black than in white census tracts
https://www.realclearpolicy.com/articles/2017/02/16/race_and_rising_violent_crime.htmlGenes can predict your academic performance, according to new research
https://www.weforum.org/agenda/2016/07/genes-can-predict-your-academic-performance-according-to-new-research 