Hannah and Grace cover 3 different Highway Serial Killers, all running along similar highway routes, each one just seems to be worse than the last. 

https://longhaulterritorykiller.wordpress.com/

https://www.dailymail.co.uk/news/article-2038984/John-Boyer-Long-haul-trucker-serial-killer-murdered-prostitutes-US.html

https://www.reddit.com/r/serialkillers/comments/85g1up/john_wayne_boyer_trucker_serial_killer/

https://www.wmbfnews.com/story/15452085/body-found-11-years-ago-identified-as-missing-nc-woman/

https://www.findagrave.com/memorial/76780502/michelle-yvonne-haggadone

https://scnow.com/news/local/memorial-held-for-woman-found-slain-in-darlington-county/article_afec29ee-d4e1-590a-a725-1023aaabca86.html#tncms-source=login

https://serialkillercalendar.com/LONG-HAUL-SERIAL-KILLERS.php

https://www.tennessean.com/story/news/crime/2020/05/07/clark-perry-baldwin-iowa-what-to-know/3087903001/

https://en.wikipedia.org/wiki/Adam_Leroy_Lane

http://murderpedia.org/male.L/l/lane-adam-leroy.htm

https://www.reddit.com/r/serialkillers/comments/85i46m/adam_leroy_lane_trucker_serial_killer_the_highway/