I'm sure no one outside of Germany really gives a ****, but this is a pretty big thing.
Kinda like if it turned out Timothy McVeigh was tied to the murder of Nicole Simpson.
DNA of neo-Nazi terrorist Böhnhardt found near remains of murdered girl Peggy | News | DW.COM | 13.10.2016
Of course there might be the possibility, that this is some kind of lab ****-up.
After all, we still remember this thing:
https://en.wikipedia.org/wiki/Phantom_of_Heilbronn