Polk Youth Institution in Butner, North Carolina is a prison for young men between the ages of 19-25. For our series Prison Diaries, I gave tape recorders to a handful of inmates at Polk to tell the story of life behind bars. After visiting the prison for a few months, I realized I had been overlooking the stories of the guards. Pretty much every guard I talked to said they serve time too – in eight hour shifts. In this episode of the Radio Diaries Podcast, listen to the audio diaries of prison guards.