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Unknown Serial Killers of America episode 4 explores the story of Terry Peder Rasmussen, an American convicted criminal who was charged with murder. He is the prime suspect behind multiple killings, especially the Bear Brook murders in New Hampshire, which took place between 1978 and 1980.
Terry Rasmussen committed a series of crimes from 1978 to 2002, which included molestation, child abandonment, and was connected to five cases of homicide. During the span of his crimes, the Unknown Serial Killer of America subject Rasmussen used many forged names by which he was infamously known as the Chameleon Killer.
Unknown Serial Killers of America episode 4 explores the series of crimes committed by Terry Rasmussen and his conviction in 2002. The episode made its release on Oxygen on June 8, 2025. Viewers can stream the show's episodes on Apple TV+.
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What is the story of the Unknown Serial Killers of America, Terry Rasmussen?
As reported by the Concord Monitor, Rasmussen grew up in a neighborhood in Arizona. After dropping out in his sophomore year, the Unknown Serial Killers of America subject, Terry Rasmussen, went on to join the United States Navy as an electrician in 1961.
As reported by ABC News, Terry was physically violent during his mariage, even burning one of his sons with cigarette butts. It was in 1975 when his wife left him with the children after an assault. It ended in a divorce in 1978. As reported by WMUR G, Terry Rasmussen mainly worked as an electrician at various oil and gas companies.
The Unknown Serial Killers of America subject, Terry Rasmussen, lived in the area of Manchester, New Hampshire, with the alias Bob Evans. Reportedly, he was arrested three times in 1980 for minor crimes, including theft, forging checks, and diverting the electric current.
The crimes of the Unknown Serial Killers of America subject, Terry Rasmussen
The Bear Brook murders
As reported by Concord Minor, Terry Rasmussen was dating a woman named Marlyse Honeychurch in 1978. She was last seen on Thanksgiving Day in La Puente, California. Reportedly, Honeychurch argued with her family and left the residence with her six-year-old daughter named Marie Elizabeth Vaughn and her infant daughter Sarah Lynn McWaters. They were never seen alive again.
Reportedly, it was on November 10, 1985, when authorities discovered the bodies of Honeychurch and her infant daughter Marie Vaughn inside a wooden barrel in Bear Brook State Park, located in Allenstown, New Hampshire. As reported by ABC News, upon forensic examination, it was discovered that the victims suffered blunt force trauma to the head, leading to their deaths.
As reported by Concord Minor, a second barrel was found containing the body of an unidentified child, identified as Sarah McWaters, on May 9, 2000. Reportedly, it was in 2019 when the victim's identities were confirmed with DNA examination. The Unknown Serial Killers of America subject, Terry Rasmussen, was found to be the biological father of the unidentified child.
The murder of Denise Beaudin
As reported by ABC News, Terry Rasmussen was living under the alias Bob Evans, and he dated a woman named Denise Beaudin. It was on the Thanksgiving of 1981, when Denise disappeared with her infant daughter Lisa.
As reported by Fox News, the body of Denise was never found. However, authorities suspected that she was killed by the Unknown Serial Killers of America subject Rasmussen, somewhere in California. As per ABC News, during the 1980s, Terry started raising Denise's child, posing as her father.
As reported by WBAL, it was in 1986 when Terry, under the pseudonym of Gordon Jenson, abandoned the child at a parking lot in Scotts Valley, California. In 1989, the Unknown Serial Killers of America subject Rasmussen was arrested and was paroled a year later in 1990, per ABC News.
The murder of Eunsoon Jun
According to a report by Boston 25 News, it was in 2001 when Terry unofficially married a woman named Eunsoon Jun, who was working as a chemist in California. However, she disappeared in June of the same year, and her remains were later found buried in their home. Forensics claimed that the Unknown Serial Killers of America victim Eunsoon died due to blunt force trauma.
Terry Rasmussen was arrested in November 2002. He pleaded guilty without any defence, the following year in 2003. As reported by WMUR G, Rasmussen was charged with murder and dismemberment.
He was sentenced to 15 years to life in prison. Reportedly, Terry Rasmussen died on December 28, 2010, while awaiting his imprisonment at the High Desert State Prison in Lassen County, California.
Check out our other articles to learn more about other cases on the Unknown Serial Killers of America.
