What does the information regarding Bill Hooks literal hookup with Walter's case reveal about the criminal justice system and the sheriffs department in Monroe County? How does this help Walter's case?

The information the officers received from Bill Hooks was a complete fabrication. Bill Hooks made a false statement that framed Walter and led to a false conviction. The discovery that the investigators knowingly and purposely used false information helped Walter's case because it allowed Walter's defense team to challenge the prosecution's credibility, reveal falsehoods to the jury, and provide the jurors with reasonable doubt. As a result, Walter was exonerated.