Sherri Ann Jarvis (March 9, 1966 – November 1, 1980) was an American murder victim from Forest Lake, Minnesota, whose body was discovered in Huntsville, Texas, on November 1, 1980. Her body was discovered within hours of her sexual assault and murder, and remained unidentified for 41 years before investigators announced her identification via forensic genealogy in November 2021.

Despite initial efforts to discover both her identity and that of her murderer(s), the investigation into Jarvis's murder gradually became a cold case. Numerous efforts were made to determine her identity, including several forensic facial reconstructions of how she may have appeared in life. The investigation into her murder is ongoing.

Prior to her identification, Jarvis was known as the Walker County Jane Doe in reference to the county in which her body was discovered and where she was later buried in a donated casket.

Discovery On November 1, 1980, the nude body of a girl estimated to be between the ages of 14 and 18 was discovered by a truck driver who had been driving past the Sam Houston National Forest. She was lying face-down in an area of grass approximately from the shoulder of Interstate Highway 45, and two miles north of Huntsville. This individual called police at 9:20 a.m. to report his discovery.

The victim had been deceased for approximately six hours, thus placing her time of death around 3:20 a.m. A rectangular brown pendant containing a smoky blue or brown glass colored stone on a thin gold chain necklace was found around her neck. Her ears were pierced, but no earrings were found in her ears nor at the crime scene. High-heeled red leather sandals with light brown straps, which investigators would subsequently discover the girl had been seen carrying while alive, were also recovered from the scene. The remainder of her clothing was missing.

Autopsy The decedent was approximately in height, weighed between , and was described by the Harris County Medical Examiner as being a "well-nourished" individual. Her eyes were hazel, and her hair was approximately 10 inches in length and light brown in color, with what has been described as a possible reddish tint, although her hair bore no evidence of having received color treatment. The decedent's fingernails were bare, and her toenails had been painted pink. Distinctive features upon her body were a vertical scar measuring one-and-a-half inches at the edge of her right eyebrow and the fact that her right nipple was inverted. Due to the general condition of the decedent's body, including her overall health, nutrition and the excellent dental care she had received in life, she was believed to have come from a middle-class household.

The cause of death was certified by the coroner to be asphyxia due to ligature strangulation, possibly inflicted via a pantyhose, fragments of which—along with the decedent's underwear—were found inside the victim's vaginal cavity. The pantyhose and underwear had likely been placed inside the girl's vaginal cavity in an attempt to prevent her body from bleeding as she was transported to the site of her discovery. She had been sexually assaulted prior to her death with a large blunt instrument both vaginally and anally. It is unknown if the girl had been conventionally raped, as no biological evidence attesting to this form of sexual assault was discovered either at the crime scene or in the coroner's subsequent examination of her body. The girl had also been severely beaten prior to her death as many bruises were evident across her body, with her lips and right eyelid, in particular, being extensively swollen. In addition, her right shoulder bore a deep and visible bite mark.

Investigation

Sightings Following exhaustive witness appeals and extensive media accounts regarding this murder, numerous individuals (all of whom are now deceased) informed investigators they had seen a teenage girl matching the decedent's description within the 24 hours prior to her murder. These individuals include the manager of a South End Gulf station and two employees at the Hitch 'n' Post truck stop, all of whom described this girl as wearing blue jeans, a dirty yellow pullover, and a white knit sweater with noticeably large pockets that extended past her waist. This girl had been carrying red leather-strapped high-heeled sandals.

According to the first witness, the girl—appearing somewhat disheveled—had arrived at the South End Gulf station at approximately 6:30 p.m. on October 31. At this location, she had exited a blue 1973 or 1974 model Chevrolet Caprice with a light-colored top, which had been driven by a white male. This witness stated the girl had asked for directions to the Texas Department of Corrections Ellis Prison Farm. After receiving directions, the girl had left the Gulf station on foot, and was later seen walking north on Sam Houston Avenue.

This same girl was later seen at the Hitch 'n' Post truck stop alongside Interstate 45, where she again requested directions to the Texas Department of Corrections Ellis Prison Farm, claiming "a friend" was waiting for her at this location. In response, a waitress drew a map providing directions to the prison farm, which she then handed to the girl. This waitress informed investigators that she had suspected the girl was a runaway and that in their brief conversation, the girl had informed her she was from either Rockport or Aransas Pass, Texas. The girl had also claimed to the waitress that she was 19 years old; when the waitress expressed doubts about her stated age and asked whether her parents knew her whereabouts, the girl reportedly replied, "Who cares?"

Ellis Prison Farm Both inmates and employees of the Ellis Prison Farm were canvassed and shown mortuary photographs of the victim, although none were able to identify her. According to a detective working the cold case in the 21st century, only one inmate was of a similar age to the victim. Investigators were never able to establish a connection between the two. Investigators traveled to both the Rockport and Aransas Pass districts to consult with law enforcement personnel regarding any missing females whose physical descriptions matched that of the victim. Staff at schools in both districts were also contacted by investigators for the same purpose. Numerous Texas high school yearbooks were searched for any female known to be missing whose physical features matched her description. None yielded results, and no missing person reports relating to young Caucasian females were matched to the victim at the time.

Despite the fact police and media appeals in the towns of Rockport or Aransas Pass to discover the identity of the victim failed to produce any fruitful leads as to her identity, it was thought that she may have indeed hailed from the general region she had stated to the waitress at the Hitch 'n' Post truck stop the evening prior to her murder.

Funeral On January 16, 1981, the unidentified girl was buried in the Adickes Addition at Oakwood Cemetery. Her burial followed an open-casket funeral, and the cemetery in which she was interred is located within the city where her body was found. She is buried beneath a tombstone donated by Morris Memorials; the inscription upon her tombstone reads, "Unknown white female. Died Nov. 1, 1980." A new tombstone bearing her name, nickname, photograph, and the inscription "Never alone and loved by many" has since been erected.

Ongoing investigation Further forensic analysis The remains of Walker County Jane Doe were exhumed in 1999 in order to conduct a further forensic examination of her remains, including the obtaining of a DNA sample from her body. This second forensic examination of her body revised the likely age of Walker County Jane Doe to be between 14 and 18 years old, with investigators stating they believed the most likely age of Walker County Jane Doe to be between 14-and-a-half and 16-and-a-half years old.

In November 2015, the case was officially reopened by the Walker County Sheriff's Office.

DNA testing was also conducted on the high-heeled red leather sandals found at the crime scene; the results remain undisclosed. Local police departments also actively monitored other missing-person reports for potential matches to the victim. Investigators have also reached out to the public via various online websites, news media, and television networks in hopes of generating further leads of inquiry—all of which, to date, have been unsuccessful in identifying her murderer(s).

Facial reconstructions Several forensic facial reconstructions have been created to illustrate estimates of how Walker County Jane Doe may have looked in life. In 1990, forensic and portrait artist Karen T. Taylor created a postmortem drawing of Walker County Jane Doe in which she incorporated an estimation as to the appearance of the necklace she had been wearing. An investigator at the Walker County Sheriff's office has also created a facial rendering of the victim.

Taylor has included this case in her book Forensic Art and Illustration, in which she confessed to having experienced difficulties in creating her sketch of the decedent as the only frontal photograph made available to her at the time was of one taken after the victim had received extensive reconstructive cosmetic treatment at the Huntsville Funeral Home in order for her facial features to be sufficient to be viewed in an open-casket funeral. Taylor further explained that a scaled photograph of the girl's necklace was not made available to her, and she was forced to estimate the size of this item of jewelry for the facial reconstruction she produced.

Within the decade prior to Walker County Jane Doe's identification, the National Center for Missing & Exploited Children constructed and released two facial reconstructions of how the victim may have appeared in life. The first facial reconstruction was released in 2012, and the second shortly after the 35th anniversary of her murder. All facial reconstructions were created with the aid of studying mortuary photographs taken of the victim.

Identification In 2020, the Walker County Sheriff's Office partnered with Othram Incorporated to attempt to identify Walker County Jane Doe via genetic genealogy. Initial attempts to extract usable genetic materials from her remains were unsuccessful, but testing on her preserved tissue samples yielded usable DNA, which was used to generate a genetic profile of the victim and construct a family tree. Using this family tree, the victim's living relatives were identified and located. DNA swabs from these individuals were used to confirm the identity of Walker County Jane Doe in 2021.

On November 9, 2021, the Walker County Sheriff's Office publicly announced the identity of Walker County Jane Doe as 14-year-old Sherri Ann Jarvis, who had run away from Stillwater, Minnesota in 1980. Her identification had previously been announced in late September 2021 by forensic artist Carl Koppelman, who had produced several forensic reconstructions of the victim, and who announced that her identity was temporarily being withheld to give her family sufficient time to grieve privately.