. >> with scanvinski hymes reaching the end of his sentence in just a few days, he will have to find ways to entertain himself in the outside world. >> for most inmates, release from prison is just a temporary freedom. two years after getting out, more than 50% of california's prisoners find themselves right back behind bars. every day officer whitehall greets new prisoners whose crimes range from simple parole violations to major felonies. >> what's your name? >> mcdaniels. >> all right. you been here before? >> no. >> go over stand by the fence. >> what's your name? >> jacob. >> how much time you got to do? >> six. >> six years? >> yeah. >> go over, stand by the fence. you can bring the rest of the guys off, too. we can stack them on the fence. >> do you have any -- take any psych meds? >> no. >> do you have enemy situations with gang members? >> no. >> how much time you doing? >> 90 days. >> 90-day op? >> yeah. >> you know if you screw up in prison, that 90 days you come right back, it's over. you've got to be on your best behavior, understand me? >> yeah. >> it's different when y