What happens in a custody review does that go back over what the inmate is in prison for

They are assessing the risk factors on the type of person they will be housing. The factors that make up the decision are the type of crime the offender was convicted of, the length of the sentence, whether that person is a first-time or multiple time offender, and is there violence in their history. The decision-makers compile all of these considerations and make a recommendation on the security level of the facility they'll be assigned to.