Across the world, journalists have used undercover techniques to expose individual predators and as well as major sex crime rings.
Reporters have taken the undercover route from slaughterhouses and chicken- and pork-processing plants to fast-food chains and supermarkets to understand the system.
Reporters have presented as teachers or students to get an inside view of what goes on in schools and colleges.
From 1968 to present day, reporters have gone undercover to expose the corruption and mistreatment that occurs within nursing homes.
In efforts to get inside the fold, reporters have fellow-traveled with religious groups, posing as members or prospective recruits.
Among the most common of poses: journalists who elect to live as tramps, the homeless, or the abject poor.
Journalism that required costuming or even physical transformation by reporters reporting on racial, ethnic, gender or social groups not their own.
The work of groups such as James O'Keefe's Project Veritas and Lila Rose's LiveAction and their undercover operations.
