Dateline: Raising the Dead is about an unsolved tragedy and the investigation that eventually reopened the murder case of Tanna Togstad & Tim Mumbrue. This episode will premiere exclusively on NBC today at 9 p.m. Et/8 p.m. This criminal incident occurred on March 21, 1992, at a small farmhouse near Royalton, Wisconsin, and it was witnessed by the community of Waupaca County, a little first-class municipality.Tanna Togstad, 23, and her lover, Tim Mumbrue, 35, were savagely stabbed to death at their home. They were killed along with their pet dog. In the former instance, the investigator was unable to locate a suspect, and the case was cold for months and years. Finally, 30 years later, in 2022, fresh DNA evidence and leads enabled investigators to reopen the case and suspect Tony Haase for the killings.Read more about 5 harrowing details about Tanna Togstad & Tim Mumbrue's murders in Dateline: Raising the Dead.1. Who killed Tanna and Tim?Dateline: Raising the Dead reported this tragic accident on March 19, 1992, was a terrible crime scene with the bodies of Tanna Togstad being brutally stabbed once in the chest, and Tim Mumbrue was repeatedly stabbed over his torso in what seemed to be a frenzied attack. Their dog was killed and hit in the same manner.Investigators reported that the violence suggested deep rage. The small rural community was left in a condition of mystery regarding the murders due to the sheer savagery of the attack, the absence of witnesses, and the distant location.2. Why did the justice take decades?Dateline: Raising the Dead showed Tanna Togstad and Tim Mumbrue lived in a hamlet that had been haunted by the murder of two men for thirty years. No suspect was ever charged, and the case gradually became cold.However, the police were tirelessly working to achieve results. Dateline: Raising the Dead reopened the case to show how some crimes can leave victims without justice or closure.3. The DNA match: Case reopenedDNA Match | Image via NBCIn 2022, Tony Haase became a victim of a police traffic check. They had stolen a DNA sample of him. That was the matching DNA evidence on the body of Tanna Togstad in 1992. The match showed that he was the main male source.This was a big breakthrough. Police arrested Haase and charged him with two murders. Dateline: Raising the Dead said new DNA science helped solve the case. This technology did not exist in 1992. It gave police the proof they needed after many years.4. The shocking confession & alleged personal motiveAfter his 2022 arrest, Tony Haase confessed to killing Tanna Togstad and Tim Mumbrue. He said the attack began as a fight with Tim. Haase admitted he was drunk and full of anger that night. In 1977, he accused the father of Tanna of killing the father of his own snowmobile accident.According to Dateline: Raising the Dead, Haase was a man of rage, and his rage was what had been boiling for years before, leading to the violence on the fateful night.5. Did the jury get it right? View this post on Instagram Instagram PostIn July of 2025, Tony Haase was put on trial over the murder of 1992. The defence provided the prosecution with compelling evidence, such as the DNA at the crime scene, a handprint tape, and a bloody handprint. The defense, however, responded that the old DNA can be corrupted and that Haase was forced to confess.After weeks of testimony proving his innocence, the jury ruled in his favor on August 11. Many people found the decision appalling. Dateline: Raising the Dead reported on how the case, which was supposed to be solved, ended without justice being served. The community was left with more questions and no legal closure.Follow Soap Central for more updates!