It does not take many cells for DNA confirmation.
Send a finger, ear, nose, tongue, toe, etc. to each requesting country.
This would have the side benefit of preventing his body being “Whole” for burial.
Burial has to be at sea, in order to prevent the grave becoming a jihadi inspirational monument.
Not if they "bury" him in a hog trough.
Bury him below a hog farm manure pit and tell the jihadis exactly where it is. Let them come and get him.
This is what I had in mind. At a minimum they need to preserve some samples. If there is an intact body then release a photo.
Eichman’s remains were cremated then dumped in international waters so the burial at sea is not surprising.