
This episode covers the mainline murders, focusing on the case of Susan Riner, her disappearance, and the investigation that followed. It references Joseph Wah's book, "Echoes in the Darkness," which details the events surrounding the case.
On June 25th, 1979, the body of school teacher Susan Riner was discovered in her car in a hotel parking lot near Philadelphia. Her two children were missing, prompting a large-scale investigation.
The investigation involved both the FBI and state police, ultimately narrowing down to two suspects. The case remains one of Philadelphia's most intriguing unsolved mysteries.
The episode discusses the unsolved mainline murders, focusing on Susan Riner's case and the investigation that followed her disappearance.

This episode stands out for the following:
Wah's book echoes in the darkness.Main Line Murders /// True Crime Garage
Philadelphia's most intriguing murder case.Main Line Murders /// True Crime Garage