What clean money means?

Money that appears to have been acquired legitimately; see Money laundering.

What does it mean to clean money Ozark?

He uses them to launder money (pay illegally gained cash into the banking system and process it to make its source undetectable so it can then be withdrawn as untraceable ‘legal’ currency) in two ways: first, by physically mixing the cartel dollars in with the takings paid into the bank, artificially inflating the …