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Tennessee Secretary of State Tre Hargett, during a news conference, announces the Federal Trade Commission and all 50 states have filed a federal lawsuit against four charities — including Knoxville-based Cancer Fund of America — and their operators, accusing them of scamming more than $187 million from consumers across the country, May 19, 2015 (Credit: Knoxville News Sentinel/Cortney Roark)

Tennessee Secretary of State Tre Hargett, during a news conference, announces the Federal Trade Commission and all 50 states have filed a federal lawsuit against four charities — including Knoxville-based Cancer Fund of America — and their operators, accusing them of scamming more than $187 million from consumers across the country, May 19, 2015 (Credit: Knoxville News Sentinel/Cortney Roark)