Whether the historical Kaspar Hauser was a genuine foundling with a hidden past, a skilled fraudster, or some complicated combination of the two, the cultural figure he created is now mostly independent of the historical question. The name carries a meaning that has outgrown the life that generated it.
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## The Three Laboratories and What They Did Differently
Understanding why the 2024 study is more reliable than the earlier analyses requires a brief account of how ancient DNA methodology has changed since the 1990s.
In 1996, DNA analysis of old biological samples involved amplifying whatever DNA could be recovered and comparing it against known reference sequences. The technique — polymerase chain reaction, or PCR, amplification — was sensitive but not specifically tuned to the fragmentation problem. If a sample contained a mixture of degraded ancient DNA and intact modern contaminating DNA, the PCR amplification would tend to preferentially amplify the modern DNA, because intact molecules are easier to amplify than fragmented ones. The result could be dominated by contamination without the analyst necessarily knowing.
In 2001-2002, the Münster analysis used techniques from the same general era. Its results, the 2024 study concluded, were probably dominated by contaminating modern DNA.
By 2019-2024, the methods developed for Neanderthal and other ancient specimen analysis had matured substantially. PEC MPS, used by the Innsbruck team, specifically addresses the fragmentation problem by targeting very short DNA fragments — the fragments that authentic ancient material consists of — rather than preferentially amplifying whatever intact molecules are present. It treats the degraded state of the material as a feature rather than a problem: a molecule that is very short and has the chemical modifications associated with ancient DNA is more likely to be authentic than one that is intact and undamaged.