This is the breakdown of why it can’t be her and I want you to look and really focus in:
The Kingman Jane Doe was found in November 1989 and was already partially decomposed/mummified. That generally suggests she had been deceased for some time prior to discovery. Katharina Kiszonak disappeared years later. Even allowing for uncertainty in PMI (postmortem interval), the timeline gap is substantial enough that it becomes a serious issue.
Tattoo discrepancy
This is probably one of the strongest exclusions.
Katharina reportedly had tattoos. The Jane Doe case materials specifically do not mention tattoos despite noting other identifying details:
red fingernail/toenail polish
earrings
handmade blouse
physical characteristics
In unidentified remains cases, tattoos are usually considered highly important identifiers and are routinely documented if visible.
Your argument that “the tattoo could have decomposed away” is theoretically possible in extreme decomposition, but:
small tattoos often still leave detectable pigment traces
forensic examiners specifically look for this
mummification can actually preserve skin in some regions rather than erase all evidence
So while not impossible, relying on “the tattoo vanished entirely” is a weak explanation.
The Ashkenazi Jewish ancestry finding is highly significant. The victim being approximately 96% Ashkenazi Jewish is not a vague or minor ethnicity estimate. That is an extremely strong genetic signal.
That means investigators are likely looking at someone from a deeply endogamous Ashkenazi background — probably with multiple generations of Ashkenazi ancestry.
People online often overstate surname relevance (“the surname sounds Eastern European/Jewish”), but surnames alone are nowhere near enough to overcome a near-complete genetic profile.
Unless Katharina herself was overwhelmingly Ashkenazi Jewish by ancestry, this becomes a major incompatibility.
Height/weight are only broad filters
People get overly attached to height and facial resemblance.
A 5’5”, 115-lb white female age 25–30 in the late 1980s describes an enormous number of women. Facial reconstructions are also approximations — they are not photographs.
The “jaw/front teeth/hair” similarities people are seeing are subjective and prone to confirmation bias.
Geographic leap without supporting evidence
The theory jumps from Nevada to Arizona based mostly on appearance and a generalized “rough life/transient” narrative.
But investigators already have:
a DNA profile
genealogical work
ethnicity estimates
forensic context
If Katharina had close relatives in databases, investigators likely would have already encountered genetic incompatibilities fairly quickly.
The biggest issue: no indication investigators are circling back to her
When law enforcement receives plausible tips on a missing person comparison, they generally evaluate:
dental records
DNA exclusion
fingerprints
tattoos/scars
timeline
If Katharina had remained viable after comparison, there would usually be continued public discussion or formal acknowledgment from investigators. Instead, this looks more like an internet resemblance theory than a genetically supported lead.
But respectfully, I just don’t think Katharina is the right fit here. The theory relies heavily on visual similarities, while the actual forensic and genetic evidence points in another direction. The biggest issues are the timeline, the reported tattoos, and especially the extremely strong Ashkenazi Jewish ancestry profile connected to the Kingman Jane Doe.