Soros, who spent $1.4 million on an independent political action committee that backed Krasner's campaign, is well-known for supporting progressive criminal justice reform efforts. But in the past, he reportedly purchased more than 100,000 shares of the GEO Group, the largest for-profit prison company in the U.S. (GEO and its peers have seen their fortunes improve dramatically under Attorney General Jeff Sessions, who has some interesting ties to the industry.)