SIMON: Yes. KELLEY: And this came from a real profile of Shaquille O'Neal. SIMON: About the tattoos, as I recall. KELLEY: Yeah. SIMON: Yeah. KELLEY: She had to take his shirt off to check the ...

NPR's Scott Simon talks with Austin Kelley, a former New Yorker fact checker, about his novel, "The Fact Checker," about a man's attempt to solve a possible mystery at the farmer's market.