Wesley Bell, a St. Louis prosecutor who is mounting a formidable Democratic primary challenge against Rep. Cori Bush (D-Mo.), is campaigning as someone who will produce more tangible results for the district while sharing many of her same left-leaning values.

But one line on Bells political resume is at odds with his promise to champion a progressive agenda. In 2006, Bell managed the campaign of a conservative Republican running for the same seat Bell is seeking today.

The candidate, Mark J. Byrne, ran as a fierce abortion opponent and gun rights crusader. I intend to protect the rights of the unborn, his campaign website read. I believe that there is no greater job for elected representatives.

He ultimately lost to incumbent Rep. William Lacy Clay Jr., who remained in office until Bush successfully challenged him in 2020.

Nearly 20 years ago, Wesley helped a longtime friend by volunteering with his campaign, in spite of their differences in political affiliations and positions on many issues, said Anjan Mukherjee, a spokesperson for Bells campaign. Wesley has been a progressive prosecutor, working to overturn wrongful convictions and refusing to prosecute women for abortions, and he will be a progressive member of Congress who works with President Biden.

Byrne, who is now a municipal judge in a neighboring county, said Bell ran his campaign as a friendly favor. The two met as young lawyers in St. Louis County, he recalled, and became friends over years of poker nights.

He didnt run a Republicans campaign, he ran a friends campaign, Byrne said in an interview this week with HuffPost. He and I didnt see eye to eye on political issues, but he did the best that he could to try to help me get elected.

Bell has avoided any mention of the Byrne campaign as he crisscrosses Missouris bright-blue 1st Congressional District, which includes St. Louis and Ferguson, the birthplace of the Black Lives Matter movement in 2014.