For well over a decade, Adam Parkhomenko has been the most enthusiastic supporter of Hillary Clinton’s presidential ambitions. But now, the consultant who worked on Clinton’s 2008 and 2016 campaigns and their unofficial forerunners is backing a starkly different candidate.

Once a champion of an establishment-favored former secretary of state, Parkhomenko argues Democrats have the best shot at defeating unconventional and crass President Trump with in-your-face attorney Michael Avenatti, best known for representing porn star Stormy Daniels, who claims a 2006 tryst with Trump.