The so-called ghost case of Hailbron, brbrbr1993-2009, where unidentified female DNA is found at crime scenes in Europe. The br area is Austria, France, and Germany, and has been found in about 40 crime scenes ranging from theft to murder. Brbr! A woman without a face!In the 2007 murder of a police officer in Hailbron, Germany!Ghost of Hailbron! It’s got the name. Brbr was all an unsolved case, and it was presumed that a woman was committing a crime around Europe, but despite the enormous investigation, she failed to identify the criminal and remained an unsolved case. brbr, but!!! brbr It calmed down, but in 2009, the DNA of a burned-down male victim was collected, and the ghost DNA of Hailbron, which could not have come from a male victim, was discovered again! Brbrbrbr turned out that all cotton swabs that collect DNA were made by one company, but they were contaminated during the transportation process, and the DNA of female employees working for the company was mixed in.