Marilyn Walser Thompson is an American investigative journalist, author, and editor. She is the author of books covering national events such as the Wedtech scandal and the 2001 anthrax attacks, and co-authored two biographies of Senator Strom Thurmond (R-SC). At the Washington Post, Thompson was an editor of reports on gun violence that was a finalist for the Pulitzer Prize in public service in 1992. As an editor on the Investigative Team, she led the group that won the Pulitzer Prize for Public Service in 1999 and 2000.