In both men's and women's prisons, for example, the most violent inmates have higher levels of testosterone than their less violent peers. (scientificamerican.com)
He maintained the officers still need sanctions, like punitive segregation, to punish violent inmates. (nytimes.com)
Falsely convicted ex - government agent Snow (Guy Pearce) must rescue the President's daughter (Maggie Grace) from an outer space maximum security prison after it is taken over by violent inmates. (movieweb.com)