The person at the center of this case
Kassaundra Denise Williams Patterson
Missing Person · Open
38 years waiting · since 1988
Missing Person: Kassaundra Denise Williams Patterson
Justice for Kassaundra Denise Williams Patterson — the trail went cold in 1988, but the truth hasn't.
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Key leads to think about
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contact
Lead #1Who made the Mother's Day call to Patterson's mother in 1989, and was it actually Kassaundra?
👁️
witness
Lead #2What did her three children observe or remember about the morning she disappeared?
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evidence
Lead #3Why are so few investigative details available in this 36-year-old case, and what records exist?
Kassaundra Denise Williams Patterson, a 33-year-old mother of three, vanished from her Silver Leaf Apartments residence in Haskell, Oklahoma on May 5, 1988, discovered missing when her children woke that morning. Over three decades later, her disappearance remains unsolved with minimal investigative details available. A mysterious Mother's Day call in 1989 may have been Patterson, but the caller's identity was never confirmed, leaving investigators and her family searching for answers.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
💡
clue
Lead #4Were there any signs of forced entry, struggle, or voluntary departure from the apartment?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP55234. Missing person: Kassaundra Denise Williams Patterson.
Last known contact: 1988-05-05 in Haskell, Muskogee, OK. Circumstances: Patterson was last seen at her residence at Silver Leaf Apartments in Haskell, Oklahoma on May 5, 1988.
Her three children woke up at 6:00 a.m. and discovered she was gone.
She has never been seen again. Patterson's mother got a phone call on Mother's Day in 1989; the caller hung up immediately and has never been identified, and it's unclear whether the caller was Patterson.
Few details are available in her case. Demographics: 33 years, Female, Multiple.
Physical description: 5 ft 3 in, 115 lbs, hair: Black, eyes: Brown. Investigating agency: Haskell Police Department | 2019-226.
Timeline of Events
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1988-05-05
06:00Patterson discovered missing
Her three children woke at 6:00 a.m. and found their mother gone from Silver Leaf Apartments in Haskell, Oklahoma. She has never been seen again.
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1989-05-14
Mysterious Mother's Day call
Patterson's mother received a phone call on Mother's Day 1989; the caller hung up immediately. The caller's identity was never determined, and it remains unclear whether it was Patterson.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:May 5, 1988 at 6:00 AM
Last Updated:September 9, 2026
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Phone: 9184823933
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Case Information
Incident:May 5, 1988 at 6:00 AM
Last Updated:September 9, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9184823933
You can remain anonymous