
This episode covers the FBI's Highway Serial Killings Database, the unsolved murder of Tammy Zawicki, and the investigation into Kristen Schmidt's case. Nick and the Captain discuss the connection between highway murders and serial killers, focusing on cases involving truckers.
The episode begins with a discussion about the dangers of interstates and how they can facilitate crimes, particularly against vulnerable individuals like sex workers. The hosts mention the New Mexico Jane Doe case, which remains unsolved, and how the FBI's database aims to connect similar cases.
They then shift to Tammy Zawicki, who was murdered in 1992. The hosts detail her family's efforts to raise awareness about her case, including appearances on media platforms like the Oprah Winfrey Show. They discuss the potential suspects, including truck driver Clark Perry Baldwin, who has been linked to multiple murders.
The conversation continues with the case of Bruce Mendenhall, a trucker convicted of killing several women. The hosts highlight the investigative work that led to his arrest, emphasizing the importance of diligent police work in solving these cases.
Finally, they touch on the ongoing investigation into Kristen Schmidt's murder, noting that DNA evidence has been collected and is pending forensic genealogy analysis. The episode concludes with a call for justice for both victims and a recommendation for further reading on highway homicides.
The episode discusses the FBI's Highway Serial Killings Database and unsolved murders of Tammy Zawicki and Kristen Schmidt, focusing on trucker suspects.

This episode stands out for the following:
I just want them to find the person who killed our daughter.America’s Highway Serial Killers /// Part 4 /// 593
Losing your kid is every parent's worst nightmare.America’s Highway Serial Killers /// Part 4 /// 593
Tammy has incredibly good judgment; she wouldn't get into a car with a stranger.America’s Highway Serial Killers /// Part 4 /// 593
There's real evil out there.America’s Highway Serial Killers /// Part 4 /// 593
You would walk past him in a grocery store and not look twice at him.America’s Highway Serial Killers /// Part 4 /// 593
It's too long without any answers.America’s Highway Serial Killers /// Part 4 /// 593