How long did Charles Keating go to jail?

Charles Keating, a prominent figure in the savings and loan crisis of the 1980s, was sentenced to prison for a total of 12 years in 1993. However, he ultimately served about four and a half years before being released in 1996 for good behavior. His convictions included fraud and racketeering related to the collapse of his financial institutions. Keating's case became a significant example of the issues surrounding that era's banking practices.