The hosts look back on what was explored in the series, their further thoughts on the subject and what reflections doing it has brought on humanity and the specters that haunt our species and our lives together

To those who knew him David Parker Ray was a skilled mechanic and park ranger, the definition of trusty and reliable. To anyone else he happened to encounter David Parker Ray came off as a laconic, trusty buckaroo of the American southwest. He had no criminal history or shady reputation following him as he drifted around the American west in the last several decades of the 20th century, amassing what the world would learn was amongst the most prolific and depraved histories of sexual predation in recorded history. Ray was convicted of the kidnapping, rape and torture of 3 women but is suspected in the disappearances, kidnapping, sex trafficking and possibly deaths of dozens if not considerably more, from the mid 1950's to his 1999 arrest. Ray haunts the US southwest for the entire postwar era, from Harvey Glatman's macabre emergence to the dawning of the new Millennium

In the past 30 years there have been over 500 identified killings along the busiest highways and interstates in the country.  At least 25 serial killers currently imprisoned for murder are truck drivers though the total number is limited only by the length of paved road stretching from coast to coast. The most infamous is  Robert Ben Rhoades, a sexual sadist who kept women in an area of his long haul truck he had outfitted as a torture dungeon. Rhoades is known to have murdered several but is suspected of over 50, maybe hundreds. We also cover Keith Jesperson, also known as the Happy Face Killer, who was convicted of killing 8 women across the country, though he insists the number is 160