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Crime Solvers Central
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 (MP25518) and 5 other sources
Jacqueline Lucille Cooper, aged 27, was last seen on November 12, 1976, in Modesto, California. On the day of her disappearance, she withdrew $4,000 from her bank account and left with James Carlin Toliver, a coworker at the Tri/Valley Growers cannery. Cooper’s family indicated that Toliver had threatened her, stating that he would harm her family if she did not go with him. Jacqueline was never seen again after that encounter.

Toliver, considered a possible serial killer, is a prime suspect in Jacqueline's disappearance. He has also been linked to the disappearances of several other women in the Modesto area, including his wife Patricia Toliver and two other women, Hester Lee Chandler and Mary Watkins. Toliver himself died in 1980 from a heart attack while fleeing from a crime scene after killing another woman. Despite extensive investigations, Jacqueline’s body has never been found, and her case remains unsolved. Foul play is strongly suspected due to the circumstances and Toliver’s violent history.
Last Seen: Nov 12, 1976

Possible Unidentified Matches (7)

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.

78%Possible
Jane Doe — Newark, California - unidentified case UP53306
Jane Doe — Newark, California
UP53306 • Found Oct 24, 1985
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Sex ✓Female
Age 100%Est. 28–42 vs 27 when missing
Race 100%White
Location 85%63 mi away, same state
TimingFound 9 years after last seen
Height 100%5'6"–5'8" vs 5'7"
Hair 100%Brown vs Brown
78%Possible
Jane Doe — Sacramento, California - unidentified case UP12981
Jane Doe — Sacramento, California
UP12981 • Found Nov 29, 1986
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Sex ✓Female
Age 79%Est. 40–60 vs 27 when missing
Race 100%White
Location 88%54 mi away, same state
TimingFound 10 years after last seen
Height 100%5'7" vs 5'7"
Weight 100%134 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 70%Blue vs Gray
77%Possible
Jane Doe — San Jose, California - unidentified case UP129724
Jane Doe — San Jose, California
UP129724 • Found Jan 23, 2021
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Sex ✓Female
Age 100%Est. 58–72 vs 27 when missing
Race 100%White
Location 86%61 mi away, same state
TimingFound 44 years after last seen
Height 84%5'3"–5'5" vs 5'7"
Weight 100%120–125 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 70%Blue vs Gray
77%Possible
Jane Doe — California - unidentified case UP17572
Jane Doe — California
UP17572 • Found Oct 30, 1980
View case
Sex ✓Female
Age 100%Est. 18–27 vs 27 when missing
Race 100%White
Location 77%92 mi away, same state
TimingFound 4 years after last seen
Height 84%5'0"–5'5" vs 5'7"
Hair 100%Brown vs Brown
75%Possible
Jane Doe — California
UP2361 • Found Feb 10, 2005
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Sex ✓Female
Age 100%Est. 50–60 vs 27 when missing
Race 100%White
Location 88%55 mi away, same state
TimingFound 28 years after last seen
Height 52%5'3" vs 5'7"
Weight 100%115 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 70%Blue vs Gray
75%Possible
Jane Doe — San Francisco, California
UP5906 • Found Jan 7, 1985
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Sex ✓Female
Age 85%Est. 20–40 vs 27 when missing
Race 100%White
Location 80%82 mi away, same state
TimingFound 8 years after last seen
Height 84%5'5" vs 5'7"
Weight 96%110 lb vs 125 lb
Hair 100%Brown vs Brown
75%Possible
Jane Doe — San Francisco, California
UP5857 • Found Feb 20, 1979
View case
Sex ✓Female
Age 77%Est. 14–25 vs 27 when missing
Race 100%White
Location 80%82 mi away, same state
TimingFound 2 years after last seen
Height 100%5'6" vs 5'7"
Weight 57%162 lb vs 125 lb
Eyes 70%Blue vs Gray

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.

Unidentified photos are blurred because many are post-mortem. Tap a photo to reveal it.