Pathways through services for offenders with intellectual disability: a one- and two-year follow-up study.

McConkey et al. (2010) followed adults with intellectual disability who had been referred to forensic services. They tracked two groups: those accepted into the service and those refused.

The team checked police records one and two years later. They wanted to see if getting into the service changed future charges.

Accepted clients picked up more new charges than the refused group. Secure hospital units offered the fewest next-step options.

In plain words, being picked for the program did not cut crime; it linked with more crime.

Hwang et al. (2026) extends this story into the community. They show only half of ex-prisoners with ID ever hook into disability supports after release. Together the papers hint that both forensic and community systems leave big gaps.

Chaplin et al. (2021) looks at the court door, not the exit. They found that adding neuro-developmental specialists to court teams cut custodial remands by 10%. Their positive result seems to clash with R et al.'s negative one. The gap is timing: Eddie diverts people before they enter secure care, while R et al. measure what happens after the system has already chosen its clients.

Barron et al. (2011) map out-of-area placements and also find patchy quality. Both studies use real-world tracking and reach the same broad conclusion: service pathways for adults with ID are uneven and sometimes harmful.

If your client with ID is in the justice pipeline, do not assume that winning a forensic placement is the prize. Ask what comes next. Push for community-based supports, smaller settings, and clear discharge plans. Use Eddie et al.'s lesson and advocate for specialist input early, before the court commits the person to a secure track that R et al. link to worse outcomes.