James H. Collins, The Great Taxicab Robbery: A True Detective Story
“ He has a ready appreciation of everybody who appears, from the society lady who lost her jewels to the typical Bowery loafer. He is as ready to look at facts from a criminal’s point of view as that of an honest man. He has often gone half across the country to get acquainted with a good burglar, and in this warm human interest lies the basis of his skill as an examiner of suspects. These details are set down, not in glorification of Dougherty, but for the guidance of every police officer interested in his methods. ”
