The person at the center of this case
Tamara Ann Haas ("Tammy")
Cold Case · Open
33 years waiting · since 1992
TAMARA ANN HAAS
Justice for Tamara Ann Haas ("Tammy") — the trail went cold in 1992, but the truth hasn't.
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Key leads to think about
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witness
Lead #1Who else attended the party on September 17, 1992, and what do they remember about Tamara's behavior and interactions that evening?
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evidence
Lead #2What physical evidence was collected at the party location and the ditch where her body was found?
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timeline
Lead #3What happened between when Tamara was last seen at the party and when her body was discovered days later?
On September 17, 1992, 19-year-old Tamara Ann Haas attended a party in Crofton, Nebraska and never returned home to Yankton, South Dakota. Several days later, her body was discovered in a ditch near the party location; an autopsy determined she died from hyperflexion of her neck. The exact circumstances of her death remain unexplained, and investigators seek information about what happened that night.
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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.
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clue
Lead #4How did Tamara sustain the hyperflexion injury to her neck—was it accidental, or does evidence suggest foul play?
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contact
Lead #5Were there any witnesses who saw Tamara leave the party or observed suspicious activity near the discovery site?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
Unexplained Death Crofton, Nebraska September 17, 1992 The FBI's Minneapolis Field Office is asking for the public's assistance in helping law enforcement piece together the events that led to Tamara Ann Haas' death. Haas, who resided in Yankton, South Dakota, attended a party in Crofton, Nebraska, on September 17, 1992.
She did not return home that night. Several days later, Haas' body was found in a ditch near the location of the party.
An autopsy revealed Haas' death was caused by hyperflexation of her neck. Haas was 19 years old at the time of her death.
Timeline of Events
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1992-09-17
Tamara Haas attends party and does not return home
19-year-old Tamara Ann Haas attended a party in Crofton, Nebraska on September 17, 1992 and failed to return to her residence in Yankton, South Dakota.
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1992-09-17
Last known sighting at party
Haas was last seen at the party in Crofton, Nebraska on the evening of September 17, 1992.
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1992-09-21
Body found in ditch
Several days after disappearing, Haas' body was discovered in a ditch near the party location.
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1992-09-21
Autopsy reveals cause of death
Autopsy examination determined that Haas died from hyperflexion of her neck, but the circumstances remain unexplained.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:September 17, 1992
Last Updated:May 10, 2026
Up to $15,000 Reward
For information leading to the resolution of this case
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Case Information
Incident:September 17, 1992
Last Updated:May 10, 2026
Up to $15,000 Reward
For information leading to the resolution of this case