I, Tom HornIn I, Tom Horn, originally published in 1975, Will Henry presents a fictional autobiography of Tom Horn that answers decisively the question did Tom Horn kill fourteen year old Willie Nickell, or was he framed? Horn was a cavalry scout in Arizona Territory during the last Apache campaigns, a champion rodeo rider, a Pinkerton, and finally a stock detective in Wyoming. Known and feared as el hombre de sombra (the shadow man), Horn's lifetime (1860 1903)