Dark Valley

In this finale, Jennifer unveils her final investigative efforts into the best suspect ever for the Connecticut River Valley killings.

Jennifer finally sits down with Heidi’s parents, Barry and Linda Martin. Barry gives an alibi statement for the first time ever, and Jennifer evaluates if he could be telling the truth.

The 1989 murder of Jessica Briggs on the docks of a Maine wharf, her boyfriend’s potential exoneration after spending 27 years in prison, and this case’s possible connection to the Connecticut River Valley Killer.

Jennifer uncovers secrets hidden in Heidi Martin’s diary, and Heidi’s best friend reveals her harrowing encounters with Heidi’s father.

Unpacking the trial of Delbert Tallman and making the case that Tallman is NOT Heidi Martin’s likely killer.

April names who she thinks killed her sister, Heidi Martin, and who could possibly be the Connecticut River Valley Killer.

Part 12 of the investigation into the Connecticut River Valley Killer. Find out what happened to Jane Boroski's unborn child. Then, Jennifer gives you the most compelling lead on the identity of the Connecticut River Valley killer yet through the case of Heidi Martin.

Part 11 of the investigation into the Connecticut River Valley Killer. Jennifer navigates the memories of a person of interest's children and Dr. Philpin sends Jennifer a package labeled: Jane Boroski. Then, we travel back in time.

Part 10 of the investigation into the Connecticut River Valley Killer. Jennifer explores the potential connection between a 2004 missing woman's case to the earlier Valley murders. It seems women keep disappearing around two brothers.

Part 9 of the investigation into the Connecticut River Valley Killer. People think the Connecticut River Valley cases are solved. But are they? We explore the possibility of Michael Nicholoau as a suspect and the complicated relationship between Jane and a private investigator.

Part 8 of the investigation into the Connecticut River Valley Killer. Jane tells the story of her encounter with the Valley Killer on August 6, 1988. We also get to meet a surprise guest.

Part 7 of the investigation into the Connecticut River Valley Killer. Barbara Agnew left a ski mountain in southern Vermont just as a massive snowstorm swept through New England. Just 10mins from home, Barbara pulled off the highway at a rest stop for an unknown reason. There, someone brutally attacked and abducted her.

Part 6 of the investigation into the Connecticut River Valley Killer. Lynda Moore's murder is the most controversial case in the Connecticut River Valley file. All other victims were killed when outside and vulnerable. Lynda was killed in her home. Was the Valley Killer changing his MO? Special thanks to Jane Boroski and Dr. John Philpin.

Part 5 of the investigation into the Connecticut River Valley Killer. Eva Morse was feeling ill and decided to leave work early. But instead of hitchhiking back home, she vanished from the shoulder of Rt.12 way past where she lived. Where was Eva headed? Who abducted her? Who killed her? Special thanks to Jane Boroski, Frank Morse, and Dr. John Philpin.

Part 4 of the investigation into the Connecticut River Valley Killer. Bernice Courtemanche and Ellen Fried's bodies are found; Jennifer and Jane visit these sites. Jennifer uncovers a detail that completely changes the story of Ellen's abduction. Special thanks to Jane Boroski, Gretchen, Carrie, and Toby Colby.

Part 3 of the investigation into the Connecticut River Valley Killer. 1985- Bernice Courtemanche and Ellen Fried are abducted by the Valley Killer from Claremont, New Hampshire. Bernice is hitchhiking in Claremont, New Hampshire. Ellen is talking to her sister on a payphone in Claremont. Both victims are at or near Leo's Market. Is the killer using Leo's to stalk his next victim? Special thanks to Jane Boroski, Gretchen and Carrie, Toby Colby, and Eileen C.

Part 2 of the investigation into the Connecticut River Valley Killer. In 1981, Betsy Critchley is abducted while hitchhiking in Massachusetts. Her body is found a few weeks later in the woods of Unity, New Hampshire. But Betsy might have grabbed a piece of evidence that will break her case wide open.

Part 1 of the investigation into the Connecticut River Valley Killer. Jane Boroski was seven months pregnant when she was stabbed 27 times by an unknown man. Miraculously, she survived. But Jane later finds out she is the only survivor of a serial killer who prowled the Connecticut River Valley in the 1980s and killed at least 8 women before her. Now, she's here to speak for the dead.