How many cops did Frank Lucas have in control and later put into prison?

Frank Lucas, the notorious heroin dealer from the 1970s, reportedly had a network of around 30 corrupt police officers on his payroll. During the investigation and subsequent crackdown on his operations, many of these officers were arrested and faced charges. Ultimately, the exact number of officers who went to prison varies, but it is known that several were convicted for their involvement in Lucas's drug trafficking activities.