Topline: The man plotted to execute a “plan” to help the 17-year-old escape the home until she turned 18.
Published: April 16, 2025 7:30 am ET
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Frank Felix, left. and Joshua Acosta (via Fullerton Police Department)
SANTA ANA, CA – A California man has been convicted of murder for helping carry out a plot to kill the mother and stepfather of a 17-year-old girl he became obsessed with after meeting her through the “furry” subculture.
Frank Sato Felix, 33, was convicted Tuesday of three felony counts of first-degree murder and three felony enhancements of multiple murders, the Orange County DA’s office announced.
Prosecutors said the 17-year-old girl was introduced to the “furry” subculture by her mother, which involves people dressing up in animal costumes.
Through the subculture, she met Felix, then 25, and 21-year-old Joshua Charles Acosta, an Army mechanic stationed at Ft. Irwin in Barstow.
Felix became romantically involved with the teenage girl in 2016, but the girl’s mother, 39-year-old Jennifer Goodwill-Yost, and her stepfather, 35-year-old Christopher Yost, disapproved of the relationship, officials said.
On September 24, 2016, Acosta and Felix drove to the Yosts’ home in Fullerton, CA, to execute their “plan,” which was to help the 17-year-old escape the home until she turned 18, according to prosecutors.
The girl snuck out to a truck with Felix after her parents and their houseguest, family friend Arthur “Billy” Boucher, went to sleep.
Acosta then went into the home and shot Boucher, 28, in the head as he was asleep on the living room couch.
Acosta then went into the master bedroom and shot Jennifer Goodwill-Yost in the face. Christopher Yost attempted to escape, but was shot in the head as he fled for the outside patio area.
Acosta then left the scene, leaving the Yosts’ six-year-old and nine-year-old daughters alone in the home with the bodies of their parents and their friend, while he escaped with Felix and the girl to Felix’s home in Sun Valley.
The three individuals reportedly burned their clothes and attempted to destroy their cell phones while at Felix’s residence, police said.
The Yosts’ six-year-old and nine-year-old daughters woke up to find their parents dead along with their friend and called 911, authorities noted.
Prosecutors alleged Felix provided the ammunition and shotgun used to kill the victims.
Fullerton Police Department detectives arrested Felix at his Sun Valley home. Acosta was arrested at his barracks at Fort Irwin.
“Two little girls, six and nine, went to sleep not knowing the last time they would see their parents would be when they woke up to find them shot to death,” said Orange County District Attorney Todd Spitzer. “The trauma inflicted on those little girls compounded by the loss both of their parents in such a violent way is beyond heartbreaking. Violence is never the answer, and a sick and twisted plan turned into life behind bars for two young men.”
Felix faces a maximum sentence of life in prison without the possibility of parole. He is scheduled to be sentenced on January 17, 2025, at the Central Justice Center in Santa Ana in Department C30.
Acosta was convicted in 2018 and was sentenced to life in prison.
The teen girl was never charged with a crime. She testified at Acosta’s trial that she had no knowledge of the plot to kill her parents. She told the jury her stepfather had been molesting her for over a decade. After confiding in Felix about the abuse, she claimed he threatened to tell her mother unless she had sex with him, according to the Orange County Register.
Presumption of Innocence: A presumption of innocence means that any defendant in a criminal trial is presumed to be innocent until they have been proven guilty beyond a reasonable doubt in a court of law. The defendant in this case is only accused of the charges set forth in the criminal complaint. They are innocent until proven guilty.
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‘Obsessed’ Furry Who Plotted to Kill Teen’s Parents, Friend Convicted of First-Degree Murder
The man plotted to execute a “plan” to help the 17-year-old escape the home until she turned 18.
By Jacob Charles
Published: April 16, 2025 7:30 am ET
Frank Felix, left. and Joshua Acosta (via Fullerton Police Department)
SANTA ANA, CA – A California man has been convicted of murder for helping carry out a plot to kill the mother and stepfather of a 17-year-old girl he became obsessed with after meeting her through the “furry” subculture.
Frank Sato Felix, 33, was convicted Tuesday of three felony counts of first-degree murder and three felony enhancements of multiple murders, the Orange County DA’s office announced.
Prosecutors said the 17-year-old girl was introduced to the “furry” subculture by her mother, which involves people dressing up in animal costumes.
Through the subculture, she met Felix, then 25, and 21-year-old Joshua Charles Acosta, an Army mechanic stationed at Ft. Irwin in Barstow.
Felix became romantically involved with the teenage girl in 2016, but the girl’s mother, 39-year-old Jennifer Goodwill-Yost, and her stepfather, 35-year-old Christopher Yost, disapproved of the relationship, officials said.
On September 24, 2016, Acosta and Felix drove to the Yosts’ home in Fullerton, CA, to execute their “plan,” which was to help the 17-year-old escape the home until she turned 18, according to prosecutors.
The girl snuck out to a truck with Felix after her parents and their houseguest, family friend Arthur “Billy” Boucher, went to sleep.
Acosta then went into the home and shot Boucher, 28, in the head as he was asleep on the living room couch.
Acosta then went into the master bedroom and shot Jennifer Goodwill-Yost in the face. Christopher Yost attempted to escape, but was shot in the head as he fled for the outside patio area.
Acosta then left the scene, leaving the Yosts’ six-year-old and nine-year-old daughters alone in the home with the bodies of their parents and their friend, while he escaped with Felix and the girl to Felix’s home in Sun Valley.
The three individuals reportedly burned their clothes and attempted to destroy their cell phones while at Felix’s residence, police said.
The Yosts’ six-year-old and nine-year-old daughters woke up to find their parents dead along with their friend and called 911, authorities noted.
Prosecutors alleged Felix provided the ammunition and shotgun used to kill the victims.
Fullerton Police Department detectives arrested Felix at his Sun Valley home. Acosta was arrested at his barracks at Fort Irwin.
“Two little girls, six and nine, went to sleep not knowing the last time they would see their parents would be when they woke up to find them shot to death,” said Orange County District Attorney Todd Spitzer. “The trauma inflicted on those little girls compounded by the loss both of their parents in such a violent way is beyond heartbreaking. Violence is never the answer, and a sick and twisted plan turned into life behind bars for two young men.”
Felix faces a maximum sentence of life in prison without the possibility of parole. He is scheduled to be sentenced on January 17, 2025, at the Central Justice Center in Santa Ana in Department C30.
Acosta was convicted in 2018 and was sentenced to life in prison.
The teen girl was never charged with a crime. She testified at Acosta’s trial that she had no knowledge of the plot to kill her parents. She told the jury her stepfather had been molesting her for over a decade. After confiding in Felix about the abuse, she claimed he threatened to tell her mother unless she had sex with him, according to the Orange County Register.
Presumption of Innocence: A presumption of innocence means that any defendant in a criminal trial is presumed to be innocent until they have been proven guilty beyond a reasonable doubt in a court of law. The defendant in this case is only accused of the charges set forth in the criminal complaint. They are innocent until proven guilty.
Editor's Note: ThePo makes every effort to accurately transcribe the contents of affidavits of probable cause contained in criminal complaints. Often, the complaints themselves are copies of copies of faxed copies, and are difficult to read. To confirm the accuracy of our transcription, contact the Magisterial District Court listed above and request a copy of the criminal complaint. It's a public record to which you are entitled.
Must Read
Editor Picks
Latest Articles
‘Obsessed’ Furry Who Plotted to Kill Teen’s Parents, Friend Convicted of First-Degree Murder
The man plotted to execute a “plan” to help the 17-year-old escape the home until she turned 18.
By Jacob Charles
Published: April 16, 2025 7:30 am ET
Frank Felix, left. and Joshua Acosta (via Fullerton Police Department)
SANTA ANA, CA – A California man has been convicted of murder for helping carry out a plot to kill the mother and stepfather of a 17-year-old girl he became obsessed with after meeting her through the “furry” subculture.
Frank Sato Felix, 33, was convicted Tuesday of three felony counts of first-degree murder and three felony enhancements of multiple murders, the Orange County DA’s office announced.
Prosecutors said the 17-year-old girl was introduced to the “furry” subculture by her mother, which involves people dressing up in animal costumes.
Through the subculture, she met Felix, then 25, and 21-year-old Joshua Charles Acosta, an Army mechanic stationed at Ft. Irwin in Barstow.
Felix became romantically involved with the teenage girl in 2016, but the girl’s mother, 39-year-old Jennifer Goodwill-Yost, and her stepfather, 35-year-old Christopher Yost, disapproved of the relationship, officials said.
On September 24, 2016, Acosta and Felix drove to the Yosts’ home in Fullerton, CA, to execute their “plan,” which was to help the 17-year-old escape the home until she turned 18, according to prosecutors.
The girl snuck out to a truck with Felix after her parents and their houseguest, family friend Arthur “Billy” Boucher, went to sleep.
Acosta then went into the home and shot Boucher, 28, in the head as he was asleep on the living room couch.
Acosta then went into the master bedroom and shot Jennifer Goodwill-Yost in the face. Christopher Yost attempted to escape, but was shot in the head as he fled for the outside patio area.
Acosta then left the scene, leaving the Yosts’ six-year-old and nine-year-old daughters alone in the home with the bodies of their parents and their friend, while he escaped with Felix and the girl to Felix’s home in Sun Valley.
The three individuals reportedly burned their clothes and attempted to destroy their cell phones while at Felix’s residence, police said.
The Yosts’ six-year-old and nine-year-old daughters woke up to find their parents dead along with their friend and called 911, authorities noted.
Prosecutors alleged Felix provided the ammunition and shotgun used to kill the victims.
Fullerton Police Department detectives arrested Felix at his Sun Valley home. Acosta was arrested at his barracks at Fort Irwin.
“Two little girls, six and nine, went to sleep not knowing the last time they would see their parents would be when they woke up to find them shot to death,” said Orange County District Attorney Todd Spitzer. “The trauma inflicted on those little girls compounded by the loss both of their parents in such a violent way is beyond heartbreaking. Violence is never the answer, and a sick and twisted plan turned into life behind bars for two young men.”
Felix faces a maximum sentence of life in prison without the possibility of parole. He is scheduled to be sentenced on January 17, 2025, at the Central Justice Center in Santa Ana in Department C30.
Acosta was convicted in 2018 and was sentenced to life in prison.
The teen girl was never charged with a crime. She testified at Acosta’s trial that she had no knowledge of the plot to kill her parents. She told the jury her stepfather had been molesting her for over a decade. After confiding in Felix about the abuse, she claimed he threatened to tell her mother unless she had sex with him, according to the Orange County Register.
Presumption of Innocence: A presumption of innocence means that any defendant in a criminal trial is presumed to be innocent until they have been proven guilty beyond a reasonable doubt in a court of law. The defendant in this case is only accused of the charges set forth in the criminal complaint. They are innocent until proven guilty.
Editor's Note: ThePo makes every effort to accurately transcribe the contents of affidavits of probable cause contained in criminal complaints. Often, the complaints themselves are copies of copies of faxed copies, and are difficult to read. To confirm the accuracy of our transcription, contact the Magisterial District Court listed above and request a copy of the criminal complaint. It's a public record to which you are entitled.
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