Most of the description of the crimes comes from Goodyear and Herzog 's voiceover , rather than from Barnes himself .
Herzog also interviews Tod Goodyear , a detective in Barnes ' case , who describes the details of Barnes ' crimes .
Most of the description of the crimes comes from Tod Goodyear and Herzog 's voiceover , rather than from Barnes himself .
Herzog also interviews Tod Goodyear , a detective in Barnes ' case , who describes the details of Barnes ' crimes .