“Polygraphs are not allowed as evidence in most U.S. courts, but they're routinely used in police investigations, and the Defense Department relies heavily on them for security screening.”

American investigative reporter and author

Bill Dedman is an American investigative reporter and author. He is best known for his 1988 investigation, The Color of Money, which examined redlining in middle-income Black neighborhoods by banks and other mortgage lenders. He received the 1989 Pulitzer Prize for Investigative Reporting for articles published in The Atlanta Journal-Constitution. His work is closely associated with deep reporting on housing discrimination and lending practices.