Determined Treasury agent investigating the moonshine violence. He repeatedly attempts to recruit Lucas to help eliminate gangster Carl Kogan but faces rejection. After learning Lucas never actually served overseas, Barrett deploys a massive dragnet to intercept his final run. He successfully arrests Kogan for murder but arrives too late to assist Lucas after the fatal crash.
Barrett pursues Kogan as the source of the violence.
Barrett is a determined Treasury agent investigating the bloodshed caused by Kogan, and he arrests Kogan for murder.
Barrett treats Lucas as both a possible source of information and a lawbreaking driver.
Barrett repeatedly tries to engage Lucas and later deploys a dragnet to intercept his final moonshine run.
Roxanna indirectly supplies information intended to help Barrett intervene.
When she cannot contact Barrett directly, Roxanna tells Barrett's wife what she knows about Lucas's intended final run.
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