Previously tasked by Slocum to smuggle drugs, Sinclair passes a ledger of corrupt guard transactions to Paige before being stabbed on the yard. The missing ledger triggers Slocum's violent pursuit of Paige throughout the prison.
Sinclair entrusts Paige with evidence against the corrupt prison system.
Sinclair gives Paige a book recording corrupt transactions between Slocum and prison guards so it can be published.
Slocum exploits Sinclair's prison job for the gang's drug operation.
Sinclair was pressured by Slocum to run drugs through the pharmacy, and his position was later taken by Paige.
The ledger links Sinclair's warning to Courtland's investigation.
Courtland finds the book on Paige's body after Sinclair's evidence has passed through Paige's hands.
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