Investigators Offer Reward For In Haas Cold Case

Tammy Haas

Renewed efforts in a 29-year-old cold case aim to shed light on the events surrounding the death of a Yankton teen.

On what would have been the 48th birthday of Tammy Haas, who lost her life in 1992 during Yankton’s homecoming week celebrations, Yankton law enforcement and FBI investigators announced a $15,000 reward during a press conference Tuesday.

“Tammy’s mother, Nancy Haas, and the family have long awaited answers to very basic questions: What happened that night? Why did she die?” said Michael Paul, FBI special agent in charge of the Minneapolis Field Office. “Today, we hope that the announcement of a reward of $15,000 for information regarding Tammy’s death will encourage someone to come forward.”

Investigators have some certainty that there is someone who has information about what happened with Tammy that night, he said.

Anyone with information can call the FBI Sioux Falls office at 605-334-6881 or the Yankton Police Department at 605-668-5210 or submit information online to the FBI at

This investigation of Haas’ case illuminates the fact that time does not deter law enforcement efforts and persistence to find truth and justice, Paul said.

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