The victim had dental work that made the detectives initially think that she was a German national. However, after investigating, they discover that she lived in Germany as a child when her father was stationed there. This was supposed to be why she had German dental work, including stainless steel fixtures.
This is wrong because the children of American service members and their families would receive their medical treatment on the their post or base unless the site was too small to have its own hospital for it residents. If that was the case, then service members would likely be prohibited from bringing family members, especially minor children.