mr. aguilar spent 17 years in solitary confinement in pelican state bay prison, and he qualified for releasender 36, where the judge subpoenaed them, to show why they have had him in there for 17 years, and it's on video where the judge says, i cannot find anything to keep this man in custody. they are not, they are in a cement cell, and it's not rational, it's a windowless cell with holes, and they don't have the dime sized holes, that's just a metal door, and if you would like to refer to dr. patterson's 354 report on the suicides that have taken place in california prisons while being held in solitary confinement. >> they're certainly at a higher rate than people who are not. but we have questions coming in from viewers, and i would like to get to valerie. >> view, charlie wants to know, what is the process that authorities go through before placing an inmate into solitary, and what level of proof do they need to have that the inmate poses danger? especially when the inmate has a gang affiliation? >> that's a very good question. there's quite an extensive process. the gang unit is always