Here is yet another: Pedro Hernandez, the former bodega worker who confessed to kidnapping and murdering 6-year-old Etan Patz in 1979 is too stupid and/or crazy to know whether he committed the crime.[ Mistrial in case of Etan Patz, among first 'milk carton' missing children, By Ray Sanchez, CNN, May 8, 2015]

Maybe that's true, but if IQ matters enough to cast doubt on a murder conviction, certainly it ought to cast doubt on the affirmative action policies that place those of low IQ into positions in which they cannot possibly find success.