You can apparently be sent to prison for preemptive "pre-criminal dangerousness".
...Ricardo is serving three years for "pre-criminal dangerousness". He was arrested for having no job and associating with "undesirable elements". "I didn't rob, or kill, or anything. They labelled me 'dangerous' just for spending time with former prisoners and sent me here."...
"I didn't rob, or kill, or anything. They labelled me 'dangerous' just for spending time with former prisoners and sent me here."...