I heard this detail on the radio story of the same topic: The shawl did not belong to the victim, but I forget the details of how they could know that. They a

I heard this detail on the radio story of the same topic: The shawl did not belong to the victim, but I forget the details of how they could know that. They also traced the fibers of the shawl to polish or russian origins, which would be consistent with belonging to the polish emigrant.