Two Evil Isms, Pinkertonism and Anarchism

"Siringo...the shrewd cowboy detective lived a life filled with adventure among the underworld characters such as murderers, moonshiners, rustlers, dynamiters and other criminals." -Wichita Falls Times, June 29, 1969 "In 'Two Evil Isms,' he boldly says that Horn was hired by the agency to help 'wealthy cattlemen get rid of small ranchmen' at $600 a head. The latest biography of Tom Horn corroborates the statement." -January 22, 1950 The author served with the Pinkerton National Detective Agency