Everyone deserves addiction treatment that works — including those in jail: Volkow and Wiley
"Roughly 60% of people who are incarcerated have a substance use disorder, in many cases an opioid use disorder. When people with addiction leave prison or jail and return to their communities, they are at very high risk of returning to drug use and overdosing. Their tolerance to drugs has diminished during incarceration, and fentanyl is pervasive in the street drug supply. Even one relapse could be fatal.
It remains a common belief that simply stopping someone from taking drugs while in jail or prison is an effective approach to treatment. But that belief is inaccurate and dangerous...."
https://www.statnews.com/2024/07/09/providing-addiction-treatment-prisons-jails/