Strom Thurmond

GOP powerbroker gets scrutiny amid South Carolina probe

A Republican powerbroker who boasts that his client roster is a "who's who of politics" that included Strom Thurmond and Ronald Reagan has come within the crosshairs of a growing probe of possible Statehouse corruption in South Carolina.

Richard Quinn hasn't been charged with any crime. But the millions of dollars he's collected and spent on behalf of his clients have become central to an investigation that began with the 2014 prosecution of a longtime state House speaker, who pleaded guilty to six misdemeanor campaign spending violations.

The state Senate's former top leader, John Courson, is the latest lawmaker indicted. A 33-year Senate veteran, Courson was...