President Trump exacted retribution Tuesday on a group of Indiana Republican state legislators who blocked his push to redraw the state's congressional map. Trump's political operation targeted eight GOP state senators for defeat in their primaries. By late Tuesday, six of those legislators were defeated, one survived and one was locked in a race too close to call.

The outcome represents a major win for Trump's political team, which is aggressively going after Republicans who defy the president. It signals that the White House is willing to invest significant resources to enforce party discipline ahead of the midterm elections.

Trump's team was deeply involved in the Indiana effort. A pair of groups aligned with Indiana Sen. Jim Banks—named American Leadership PAC and Hoosier Leadership for America, overseen by longtime Trump operative Andy Surabian—spent $8 million to unseat the state senators. White House Deputy Chief of Staff James Blair, White House Political Director Matt Brasseaux, Trump campaign pollster and chief strategist Tony Fabrizio, and a Trump 2024 data consultant were also involved in the campaign.

Trump is also backing primary challengers to Kentucky Rep. Thomas Massie and Louisiana Sen. Bill Cassidy, both of whom face primaries this month. The president's political machine appears poised for similar fights elsewhere, targeting lawmakers who break with his agenda.

A counter argument: some party strategists warn that such aggressive purge tactics could alienate moderate voters and fracture the GOP coalition, potentially weakening the party in general elections.