it's a decent documentary but they seemed to get way off their path to finding one or 2 serial killers. Particularly, when they found out about the killers that became long haul truckers to hunt their victims.
I was so disappointed when their expert said "serial killers don't dispose of their victims close to home" when they were talking about the Albuquerque women found in the desert. John Wayne Gacy buried his victims under his house. He's not the only one who disposed of his victims very close to home. I think they relied on that "expert" too much.
There are some good points to the documentary - make it mandatory to input all victims into the national database. No one is throw away. People need to understand the risks. Law enforcement needs to work better with other jurisdictions.