“A new Ontario report shows how isolation for jailed youth can be dehumanizing and riddled with legal violations…”
“…Many young people in custody have endured childhood maltreatment; they may be developmentally delayed, or have a mental illness or learning disability; many have experienced racism or multi-generational trauma as descendants of residential school survivors (black and Aboriginal youth are overrepresented); some have fetal alcohol spectrum disorder, or suffer from an addiction...”

http://www.macleans.ca/news/canada/why-do-we-still-put-young-people-in-solitary-confinement/