S2/EP8 Theresa Wesolowski’s friend describes what Theresa was like and laughs about their incredibly close friendship, remembering “there was nothing we didn’t tell each other.”

S2/EP9 After a 35-year-old analyst for the NSA is fatally stabbed, police look at a number of suspects. As detectives close in on the killer, the investigation takes a shocking turn.

S2/EP8 Michael Yogurst, a detective with Germantown PD, recalls the clues they found at Theresa Wesolowski’s crime scene. The blood splatter on the roadway where she was found led them to a crucial conclusion.

S2/EP8 A hard-working young woman is discovered stabbed at the side of a road, leading police on a tireless investigation for 10 years to unveil a killer hiding in plain sight.

S2/EP7 A white dust coated the crime scene at Diane Zaleski’s home, which authorities realized was from a fire extinguisher — because the culprit wanted to hide their fingerprints. Detectives found something else useful instead.

S2/EP7 Investigators say they questioned many, many people about Diane Zaleski, and no one had anything bad to say. She had “no secrets.” They were stumped.

S2/EP7 Robert Henderson, a former lead detective, explains why Diane Zaleski’s murder was so unusual for the area and why people rush to the “serial killer” theory when a woman is killed.

S2/EP7 A recently retired woman is found savagely murdered, and detectives must battle a lack of evidence and track down a long list of suspects to find a killer nobody saw coming.

S2/EP6 Investigators discuss the evidence they found at Dana Laskowski’s crime scene and how it helped them discover exactly what had happened that day.

S2/EP5 Investigators agree it was unusual for the killer to cover Norma Rodriguez’s face with duct tape. A profiler determined it indicated the murderer did not want to see her face after the killing. What did that say about the killer?

S2/EP5 The former chief of the Port Hueneme Police Department reveals he did worry he would never be able to solve Norma Rodriguez’s murder.

S2/EP6 When a recently divorced mother is found strangled to death on her couch, several suspects emerge until the killer is revealed to be someone close to home.

S2/EP4 From phone records, police tracked down Rafael Hernandez-Torres’ close friend. He didn’t have much information – but he did reveal there was a new woman Rafael was seeing.

S2/EP4 Rafael Hernandez-Torres was supposed to drive a friend to Texas the night he died, but he ended up being detained after a road issue. Their phone calls helped detectives nail down a possible time of death.

S2/EP5 A loving, single mother of two is the victim of a bizarre murder, leading detectives to investigate a number of suspects, until a killer with a dark obsession hiding in plain sight is revealed.

S2/EP3 Norwich police describe finding Eugene Mallove's body without his shoes. The search for the shoes turned up a potential lead.