TIME Two Democrats broke with their party to vote against a resolution the House passed on Thursday formally outlining procedures for the next phase of the impeachment inquiry into President Donald Trump.
The resolution passed 232-196 in a vote that stayed largely along party lines. No Republicans voted in favor, though former Republican Rep. Justin Amash, who left the GOP to become an Independent this summer, did support the resolution. Reps. Jeff Van Drew and Collin Peterson were the only two Democrats who voted against it.
The impeachment process, sparked by concerns over whether Trump used his position as President to pressure Ukraine to investigate a political rival, has already been sharply criticized by Republicans. While the two Democrats’ decision to vote against the impeachment resolution on Thursday did not come as a surprise, it was immediately used by GOP leaders to further rail against the process.
Here’s what you need to know about these two Democrats and why they opposed the resolution.