Pima County Jane Doe

Brenda Marie Gerow (February 18, 1960 – April 6, 1981), previously known as Pima County Jane Doe, was a formerly unidentified American murder victim whose body was found on April 8, 1981. In late 2014, a photograph of a facial reconstruction of the victim was made public that led to Gerow's identification the next year.

Disappearance and murder Gerow, the oldest of her siblings, disappeared in July 1980 after leaving with John "Jack" Kalhauser, her boyfriend at the time. She had worked at a convenience store and as a bartender at an establishment in Dracut, Massachusetts, often frequented by bikers. She remained in contact with family and had at one time called home stating she would be returning, yet she never did. Her family attempted to report her missing, yet local police declined to cooperate, due to the fact that she was an adult when she vanished. She was approximately to tall and weighed around at the time of her death. Additional evidence at the scene may have been blown away due to winds. A denim jacket was found hanging in brush near the body.

Investigation The crime scene was photographed and law enforcement flew over the area to take further photographs and to look for any additional clues. At the time the victim was found, authorities in Tucson were unable to obtain fingerprints. In an effort to obtain her fingerprints, the victim's hands were removed from the body and sent to the FBI. While the FBI was successful in getting fingerprints, they did not match any missing persons on file or anyone arrested for a crime. The case was compared to several missing person cases but all were ruled out. The victim had been walking or running through a wooded area before her death, as suggested by scratches on her body.

A "crude" sketch was created of the victim following her discovery. It was released to the public on television and in the newspapers, yet the victim was not recognized by anyone in the area.

Different theories regarding the life and demise of the victim existed. Investigators theorized she was a runaway as a child before she became an adult, had possibly been estranged from family, had been murdered elsewhere and dumped at a different scene, or had hitchhiked to Tucson from another location. In late 2014, police announced that they believed the photograph was connected to the case of Pima County Jane Doe and released it to the public. Kalhauser refused to identify the woman in the photograph.

The then-unidentified woman's photograph was circulated to the public in late 2014 after authorities made the connection between it and the reconstruction. Her brother stated that she had called him around two to three weeks afterwards while in New Mexico. After this, she was never heard from again, although her family continued efforts to locate her. Gerow could not have officially been reported missing because she was over the age of 18 and had apparently left on her own accord. Although Van Reeth's body has never been found, Kalhauser was later convicted of her murder in 1999.

On September 28, 2015, information was released that the body of the unidentified victim had been formally identified as Gerow in April 2015, and that her body would be returned to family members. The identification was made through comparison of the family's DNA compared to that of the victim.

In 2017, Gerow's and Van Reeth's cases were featured on the second episode of Who Killed Jane Doe? on Investigation Discovery. Her brother and father provided interviews.