Burr held a 49 percent to 29 percent margin over Marshall in a National Research Inc. poll of 600 likely voters released Monday by the institute. About 17 percent of those surveyed were undecided ...

Burr has said he expects a tough race no matter who the Democrats nominate. "I have always been a supporter of the Democratic ticket, so I certainly will," Marshall said.

Marshall was elected secretary of state in 1996. Burr had amassed more than $2.5 million in re-election campaign cash through the end of June, according to finance records.

Burr was brought to trial in Richmond in a case presided over by Chief Justice of the United States John Marshall. Burr was acquitted and lived a reclusive existence until his death in 1836.

What are records? Since 2014, The Marshall Project has been curating some of the best criminal justice reporting from around the web. In these records you will find the most recent and the most ...