The person at the center of this case
David Williams
Missing Person · Open
DAVID WILLIAMS
David Williams, age 12, disappeared on April 7, 1975 from the New Lisbon State School in Burlington County, New Jersey. He and his 17-year-old roommate Steven Anderson were last seen at 4:15 p.m. walking from a ball field toward their residence. David was epileptic and required daily medication. Both boys had developmental disabilities and could not care for themselves without supervision.
New Lisbon, Burlington County, New Jersey
🏛️ Federal Bureau of Investigation (FBI) Newark Field Office
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Case Summary
David Williams, age 12, disappeared on April 7, 1975 from the New Lisbon State School in Burlington County, New Jersey. He and his 17-year-old roommate Steven Anderson were last seen at 4:15 p.m. walking from a ball field toward their residence. David was epileptic and required daily medication. Both boys had developmental disabilities and could not care for themselves without supervision.
Timeline of Events
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1975-04-07
16:15Last Sighting
David Williams and Steven Anderson were last seen at approximately 4:15 p.m. walking from a nearby ball field toward their residence at the New Lisbon State School.
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1975-04-07
Reported Missing
David Williams, age 12, and Steven Anderson, age 17, were reported missing from the New Lisbon State School in Burlington County, New Jersey.
Key Locations
Interactive map showing important locations related to this case
Points of Interest / Key Leads
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person
Lead #1Steven Anderson, age 17, roommate and fellow missing person
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evidence
Lead #2Blue jacket and striped pants worn at time of disappearance
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clue
Lead #3David's epilepsy and dependence on daily medication - vulnerability factor
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location
Lead #41,896-acre facility in New Jersey Pinelands with limited supervision
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witness
Lead #5Staff members who were with the boys at the ball field
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Case Information
Case Type:
Missing Person
Status:
Open
Case Number:270
Started:April 7, 1975 at 4:15 PM
Last Updated:April 26, 2026