Crime Solvers Central
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 (MP4628) and 6 other sources
Kim Louise Mallon, age 13, was last seen on September 30, 1973, in Los Angeles, California. At the time of her disappearance, Kim was a patient at the UCLA Neuropsychiatric Hospital, where she was receiving treatment. On the day she vanished, Kim was wearing a blue knit pullover blouse, white corduroy bell-bottom pants, multicolored oxford shoes, and a silver and turquoise pendant necklace. She had brown hair, blue eyes, and scars on both wrists. Authorities believe she may have been using the alias "Rhonda Kay Mallon" or her birth name, Rhonda Kay Lytton.

Kim’s disappearance is considered suspicious, and despite decades of investigation, no significant leads have emerged. The hospital where she was last seen has since been renamed, but her case remains open. Her family and authorities continue to seek any information that could bring resolution to the case. Kim’s case is classified as endangered missing, and foul play is suspected.

Anyone with information is urged to contact the UCLA Police Department or the National Center for Missing & Exploited Children.

Last Seen: Sep 30, 1973

Possible Unidentified Matches (10)

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.

82%Moderate
Jane Doe — Los Angeles, California - unidentified case UP80466
Jane Doe — Los Angeles, California
UP80466 • Found Apr 26, 2021
View case
Sex ✓Female
Age 100%Est. 50–60 vs 13 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 48 years after last seen
Height 100%5'3"–5'6" vs 5'3"
Weight 100%115–130 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 100%Blue vs Blue
82%Moderate
Jane Doe — Long Beach, California - unidentified case UP4124
Jane Doe — Long Beach, California
UP4124 • Found May 12, 1987
View case
Sex ✓Female
Age 100%Est. 20–25 vs 13 when missing
Race 100%White
Location 97%20 mi away, same county
TimingFound 14 years after last seen
Height 100%5'4" vs 5'3"
Weight 91%143 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 50%Green vs Blue
82%Moderate
Jane Doe — La Habra Heights, California - unidentified case UP4463
Jane Doe — La Habra Heights, California
UP4463 • Found Sep 5, 1973
View case
Sex ✓Female
Age 88%Est. 14–20 vs 13
Race 100%White
Location 98%19 mi away, same state
TimingFound same day as last seen
Height 100%5'2" vs 5'3"
Weight 83%102 lb vs 125 lb
81%Moderate
Jane Doe — Van Nuys, California
UP4117 • Found Jul 21, 1987
View case
Sex ✓Female
Age 100%Est. 24–33 vs 13 when missing
Race 100%White
Location 99%15 mi away, same county
TimingFound 14 years after last seen
Height 100%5'3"–5'7" vs 5'3"
Weight 100%120–150 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Blue
81%Moderate
Jane Doe — California
UP4193 • Found Sep 10, 1985
View case
Sex ✓Female
Age 100%Est. 17–24 vs 13 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 12 years after last seen
Height 100%5'2"–5'5" vs 5'3"
Hair 100%Brown vs Brown
81%Moderate
Jane Doe — California - unidentified case UP4219
Jane Doe — California
UP4219 • Found Aug 21, 1984
View case
Sex ✓Female
Age 100%Est. 15–23 vs 13 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 11 years after last seen
Height 100%5'4" vs 5'3"
Weight 88%105 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Blue
81%Moderate
Jane Doe — Carson, California - unidentified case UP4429
Jane Doe — Carson, California
UP4429 • Found Apr 20, 1978
View case
Sex ✓Female
Age 100%Est. 14–20 vs 13 when missing
Race 100%White
Location 99%15 mi away, same county
TimingFound 5 years after last seen
Height 100%5'1"–5'3" vs 5'3"
Weight 100%130 lb vs 125 lb
Hair 60%Black vs Brown
Eyes 0%Brown vs Blue
80%Moderate
Jane Doe — Palmdale, California - unidentified case UP3914
Jane Doe — Palmdale, California
UP3914 • Found Feb 20, 1990
View case
Sex ✓Female
Age 100%Est. 14–24 vs 13 when missing
Race 100%White
Location 96%23 mi away, same county
TimingFound 16 years after last seen
Height 100%5'0"–5'3" vs 5'3"
Weight 100%85–125 lb vs 125 lb
Hair 60%Black vs Brown
80%Moderate
Jane Doe — California
UP10281 • Found Mar 22, 1989
View case
Sex ✓Female
Age 100%Est. 25 vs 13 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 15 years after last seen
Height 84%5'5" vs 5'3"
Weight 70%94 lb vs 125 lb
Hair 100%Brown vs Brown
80%Moderate
Jane Doe — Los Angeles, California
UP4042 • Found Jun 10, 1988
View case
Sex ✓Female
Age 100%Est. 20–30 vs 13 when missing
Race 100%White
Location 100%Same area, same county
TimingFound 15 years after last seen
Height 100%5'2" vs 5'3"
Weight 86%104 lb vs 125 lb
Hair 100%Brown vs Brown
Eyes 0%Brown vs Blue

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.