He's guilty of the pool rooms and bars that were open to him as a boy.
5 seconds sound clip from the Knock on Any Door movie soundboard.
You can hear this line at 01:34:03.378 in the Blu-ray version of the movie.
Quote context
[...]
- I believed because I wanted to believe.
- But... Nick Romano is guilty.
- He's guilty of the pool rooms and bars that were open to him as a boy.
- He's guilty of the foul treatment of a primitive reform school.
- Keep the boy and civilize the boyhood.
- This boy could've been exulted instead of degraded, student instead of savage.
[...]