The State Ethics Commission expanded an investigation of political contributions that stemmed from the collapse of First Liberty Building & Loan, casting a fresh spotlight on an ultraconservative organization with close ties to the founder’s son.

In July, the commission charged the Georgia Republican Assembly PAC with 61 violations of state campaign finance laws, accusing it of illegally trying to sway elections. On Wednesday, investigators added the affiliated Georgia Republican Assembly itself as a defendant in the case.

Both political groups are closely tied to First Liberty founder Brant Frost IV and his family, who have pushed to purge more mainstream Republicans from the GOP’s ranks in recent years. The PAC was long led by his son, Brant Frost V, before it dissolved in June.

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