Jail and prison experiences in America: What's it actually like?

Here’s a link to a pretty gripping blog detailing what life is actually like inside CZ Mexico City. It would also be fascinating—if anyone here has the intel—to read about the experiences within the American prison system and state penitentiaries.
https://zatvorskaprica.wordpress.com/2014/01/17/uvod/

This guy claiming he got assaulted for six days straight? He’s lying through his teeth, man. Total bullshit.

I know enough people who've spent time behind bars—especially folks who've been through the system in places like Rikers Island—and let me tell you, that kind of stuff just doesn't happen there.