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302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP33648) and 6 other sources
In the summer of 2014, a 35-year-old woman named Ling Jhung Zheng vanished from Millbrae, California, leaving behind a profound sense of unease and a mystery that endures. She was last seen on July 7, 2014, in San Mateo County. Of Chinese descent, with black hair and brown eyes, Ling stood at approximately 5 feet 5 inches tall and weighed around 120 pounds. Her disappearance was marked by a sudden and complete silence, a stark departure from her usual patterns of communication with family and friends, which immediately raised alarms. The abrupt lack of contact was considered highly unusual, suggesting that her disappearance may not have been voluntary.

The circumstances surrounding Ling Zheng's life and work added layers of complexity to the investigation into her whereabouts. It was known that she was employed at Asian massage parlors, and her work had taken her to various locations, including the San Francisco and Los Angeles areas in California, as well as to the state of Texas. This transient nature of her employment meant that her social and professional networks were spread across a wide geographical area, posing a significant challenge for investigators from the San Mateo County Sheriff's Office. The report of her disappearance was officially filed on July 28, 2014, several weeks after she was last seen, which may have further complicated the initial efforts to trace her last movements and interactions.

Over the years, the case of Ling Zheng has remained open, a persistent and somber entry in the records of missing persons. Despite the efforts of law enforcement, including the San Mateo County Sheriff's Office which holds the primary case file, few details have emerged to shed light on what might have happened to her. Her case has been documented by various organizations dedicated to finding missing individuals, but the trail has grown cold. The official investigation continues to seek any information that might lead to a breakthrough, and detectives have encouraged anyone with knowledge of her whereabouts to come forward. The overview of this case is one of a sudden and unexplained disappearance of a woman whose transient lifestyle may have contributed to the difficulties in the investigation, leaving her family and friends in a state of prolonged uncertainty.

Last Seen: Jul 7, 2014

Possible Unidentified Matches (1)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

77%Possible
Jane Doe — San Francisco, California
UP146082 • Found Jan 10, 2015
View case
Sex ✓Female
Age 100%Est. 28–42 vs 35
Location 100%10 mi away, same state
TimingFound 6 months after last seen
Height 84%5'3" vs 5'5"
Weight 85%141 lb vs 120 lb
Hair 40%Gray vs Black

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.