After conversation with Charlie look at the newspaper. You can look at the poster close to the bed. Charlie appears again and say that he really needs some explosive.
Go to the left and come to hallway A. Try to get into the library, but the prisoners won't allow you to go there. Talk with Bogs and back near your cell. Go to hallway B. Pas by Murray and go on the yard.
Talk with Sleazy, then chat with thief.
Go to the right to the back yard, where Randal will take part in the spitting competition (with a not very good score), then talk with the salesman. He gives you a password that you need to know to get into library.
Go to the hallway A and say the password to Bogs. It turns out it was a bluff.
For saying the password to Bogs you will unlock the achievement 'Gort salutes you'.