Introduction to solitary confinement

The types of inmates that are most likely to be subjected to solitary confinement; percentage of those that have
committed murder, rape, burglary, etc.
The recommended length of time an inmate should be kept in solitary confinement vs. how long inmates are
actually confined.
Also, you could give insight into the types of conditions that one can expect in solitary confinement; give us an
idea of how it might look, smell, feel (temperature), etc. I found a 5-minute video from National Geographic that
describes it orally and visually and also gives you accounts from inmates who have experienced it: