In different states, police use cognitive aptitude tests such as the Wonderlic -- https://jobdescriptionandresumeexamples.com/10-important-fac... -- https://www.practice4me.com/lst-police-exam/ -- these are not strictly 'IQ' tests, but they're very similar.
Dilbert's take on 'random' number generators: https://www.random.org/analysis/dilbert.jpg