Across the world, journalists have used undercover techniques to expose individual predators and as well as major sex crime rings.
Journalists who infiltrated U.S.-based Nazi bunds, the Ku Klux Klan, the Gomorrah, and other secret societies and closed groups.
Reporters have worked as migrant laborers and shadowed undocumented workers crossing the border into the United States.
Reporters encounter or inhabit the lives of very hard-laboring others.
Reporters have worked as guards or gotten themselves arrested -- sometimes with the aid of authorities and sometimes without -- to investigate conditions inside prisons and jails.
Waste, fraud, graft, laxity, dilapidated conditions, corruption: Reporters have often used undercover tactics to investigate.
Journalists have devised any number of ruses to get inside hospitals and clinics -- as patients or staff members.
