Former dairy executive Scottie Mayfield says congressional candidate Weston Wamp secretly recorded a conversation they had when Wamp came to his home to talk him out of supporting U.S. Rep. Chuck Fleischmann in the August Republican primary.

"I never dreamed somebody would walk into my house with a bug on," Mayfield said. "I don't want to say negative things about people. But I just don't think that's correct behavior."

On March 17, Mayfield threw his support behind Fleischmann. The former dairy executive said he wanted to set the record straight, because he had heard Wamp's camp was claiming Mayfield's support.

Two days before the announcement, Wamp paid Mayfield an unexpected visit to gauge his support. Mayfield was watching Seasame Street with his grandson, but he said he welcomed Wamp in.

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