what kind of drugs you use? >> crack cocaine, prozac. that's for depression. >> once the evaluation is completed, the processing department creates i.d.s and classifies the inmates as to where they'll be sent within the jail. because alfonso takes prozac for depression, he'll be housed on the eighth floor, one of the three floors dedicated to psychiatric care. >> then i'll be here until court. >> alfonso young was charged with petty theft and spent one day in jail before being released. this is the maximum security unit at the jail where as many as 24 inmates are packed into a single cell. here, the lights are always on and tensions are high. >> it's hard as hell to sleep in here because you got 24 inmates in here, you understand. you have to sleep when you can,