Journalists who infiltrated U.S.-based Nazi bunds, the Ku Klux Klan, the Gomorrah, and other secret societies and closed groups.
In efforts to get inside the fold, reporters have fellow-traveled with religious groups, posing as members or prospective recruits.
Reporters have worked as migrant laborers and shadowed undocumented workers crossing the border into the United States.
A gathering of the undercover and experiential reporting of Elizabeth Cochrane, later Seaman, who wrote under the pen name of Nellie Bly.
Redpath, Olcott, Richardson and Thomson all went South for the New York Tribune and produced reporting undercover in the run-up to the Civil War.
The work of groups such as James O'Keefe's Project Veritas and Lila Rose's LiveAction and their undercover operations.
Among the most common of poses: journalists who elect to live as tramps, the homeless, or the abject poor.
Undercover journalism has been the subject of heated discussions, especially since the late 1970s, and whenever an undercover sting causes a stir.
