--- title: The Long Road to Identifying the Bear Brook Murders Victims dek: Decades after two barrels were discovered in an Allenstown forest, the identity of the final victim, Rea Rasmussen, has finally been confirmed through genetic genealogy. published_at: 2026-10-19T14:57:04.245Z canonical: https://crimesandmyths.com/case/bear-brook-murders-solved --- The Bear Brook murders in Allenstown, New Hampshire, remained a decades-long cold case that began in 1985 when two bodies were discovered inside a barrel at Bear Brook State Park. It was eventually revealed that serial killer Terry Peder Rasmussen was responsible for the deaths of four victims. The case was finally solved through advanced forensic genetic genealogy, which allowed investigators to trace complex family trees and formally identify the last remaining victim, Rea Rasmussen, in September 2025. ## The Discovery of Two Barrels in Allenstown Woods The grim reality of the crimes began in 1985 when the first set of remains was uncovered by a hunter within the forested expanse of Bear Brook State Park in Allenstown, New Hampshire. According to police records from the time, the discovery of the first barrel, which contained the remains of an adult female and a young female child, sent shockwaves through the quiet New England community. For years, the identities of these individuals remained a mystery that defied conventional investigative techniques. It would take decades of advancements in forensic science and genealogy to understand that these victims were merely the beginning of a much larger, more calculated pattern of violence perpetrated by a man moving through the shadows of the United States. The victims were not just anonymous remains but individuals who had once lived, breathed, and had families who wondered about their whereabouts for thirty-five years. ## The Investigative Challenges and Lingering Cold Case Obstacles For nearly four decades, investigators struggled to gain traction because they lacked modern tools to cross-reference DNA against vast public databases. As noted by NBC Boston in 2025, the investigation into the Bear Brook murders was initially hampered by the total lack of identification, rendering detectives unable to establish a timeline for the victims or their killer. The perpetrator, Terry Peder Rasmussen, lived a transient lifestyle, making it difficult for law enforcement to track his movements across state lines. The frustration of the case was compounded by the fact that the bodies were found in stages, with subsequent discoveries occurring in the years after 1985. Investigators were forced to rely on limited physical evidence, and for much of that period, they were searching for a ghost without a name, or at least without a connection to the individuals buried in the New Hampshire woods. ## Using Genetic Genealogy to Find Rea Rasmussen The breakthrough that ultimately cracked the case came through the meticulous work of the DNA Doe Project. According to a 2025 report from NHPR, researchers needed to identify the victims before they could fully understand the perpetrator's history. To figure out the identity of the last Jane Doe, investigators first had to identify her mother, Pepper Reed. Matthew Waterfield, a lead researcher on the project, noted the immense difficulty of the task, explaining that the team had to trace a staggering family tree of approximately 25,000 people to find a single biological match. This genetic mapping finally confirmed on September 5, 2025, that the young victim was Rea Rasmussen, who was born in 1976 in Orange County, California. This specific match linked her directly to her father, the murderer Terry Peder Rasmussen, providing a definitive answer to a mystery that had spanned generations of forensic analysts. ## The Aftermath of the Identification and Current Status While all four primary victims have now been identified, the legal and moral weight of the case continues to be felt in New Hampshire and beyond. Attorney General John Formella marked the identification as a major milestone, yet he and others were quick to emphasize that the broader investigation into the victims' lives is not complete. Because Terry Peder Rasmussen was known for establishing relationships with his victims, authorities are still working to locate individuals who vanished in his orbit. Specifically, the disappearances of Pepper Reed and Denise Beaudin remain active and urgent, as they are considered potential victims of the same perpetrator. Mallory Littman, speaking on the state of the investigation in 2025, made it clear that this investigation is not over, highlighting that the work of justice often extends far beyond the identification of a single victim. ## The Impact of the Chameleon Killer on Forensic Methods This case has forever changed how serial murder investigations are conducted, particularly regarding the use of familial DNA. The legacy of Terry Peder Rasmussen, who is often described as a unique type of serial offender because he killed people he actually knew and had established relationships with, stands as a chilling case study for forensic experts. According to Chris Elphick in a 2025 NHPR interview, the specific pattern of this killer forced a massive shift in investigative strategy. Forensic agencies moved away from relying solely on standard fingerprinting or traditional investigative leads toward a dependence on genetic genealogy to solve the most difficult cold cases. The identification of Rea Rasmussen serves as both a tragedy and a testament to the power of these new forensic tools to provide closure for families who had lost hope of ever learning the truth about what happened to their loved ones in the Allenstown woods.