The Daily Herald investigates the state of Illinois chronic problem with repeat drunk drivers. In the first part of the four-part series, the Daily Herald quantifies the problem and examines the state's lax enforcement of drunk driving laws. In part two, the Daily Herald interviews Illinois worst offender -- a man with 17 Illinois DUI convictions and 5 Wisconsin convictions. In part three, the Daily Herald debates "what's ethical for the lawyers who defend chronic drunken drivers." In part four, the Daily Herald interviews the loved ones of poeple killed by drunken drivers. This files also contains eight major follow-up reports.