“…This phenomenon is not solely an American problem ( Cockram et al , 1998 ). , with similar values being reported in Spain (Tort et al , 2016), Wales (Hayes and McIlwain, 1988), England (Hayes et al , 2007; Murphy et al , 2017), Ireland (Gulati et al , 2018), Norway (Sondenaa et al , 2005) and Australia (Brolan and Hurley, 2018). If one accepts the midpoint prevalence estimate of 7%, this would suggest that the number of individuals with intellectual disability currently in prisons and jails exceeds expectations by about 700%!…”