“For Mr. Kirn, 51, who indeed brims with an outer confidence that can be intimidating at times to those unused to brash, creative types who dress in custom cowboy boots and seem indifferent to the modest niceties of literary image, the loud underwear seems to be working this afternoon.” If this doesn’t read like the typical author profile that’s because Walter Kirn interviewed himself for The New York Times on his new book, Blood Will Out: The True Story of a Murder, a Mystery, and a Masquerade. Here’s our review.