U.S. Rep. Chris Collins, R-N.Y., is expected to change his plea to guilty in a federal case involving insider trading charges. Seth Wenig/AP hide caption
Rep. Chris Collins
Rep. Chris Collins, R-NY, walks out of a New York court house. He faces charges related to insider trading. Spencer Platt/Getty Images hide caption
Rep. Chris Collins, R-N.Y., walks out of a New York court house after being charged with insider trading on Wednesday. Democrats are seizing on the case to convince voters the GOP has a "culture of corruption." Spencer Platt/Getty Images hide caption
Democrats Seize On GOP Ethics Scandals In Midterms, Because It's Worked Before
Rep. Chris Collins delivers a speech at the Republican National Convention in 2016 in Cleveland. Collins was the first sitting member of Congress to endorse Donald Trump's presidential bid. Alex Wong/Getty Images hide caption