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 recovered from the scene or from Tamara's body that could explain the circumstances of her death?
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timeline
Lead #3What happened between the time 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 did not return home to Yankton, South Dakota. Several days later, her body was discovered in a ditch near the party location with an autopsy revealing death by hyperflexion of her neck. The circumstances surrounding her death remain unexplained, and the FBI seeks information to determine exactly 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.
💡
clue
Lead #4Were there any witnesses to events at or near the ditch where her body was found?
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suspect
Lead #5Has anyone been identified as a person of interest or suspect in connection with her death?
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 that night.
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1992-09-17
Last known location 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 location of the party.
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1992-09-21
Autopsy results
Autopsy revealed that Haas' death was caused by hyperflexion of her neck, indicating a violent injury.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:September 17, 1992
Last Updated:July 23, 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:July 23, 2026
Up to $15,000 Reward
For information leading to the resolution of this case