However , Arlington National Cemetery officials may not have followed proper procedures in notifying the servicemember 's next of kin about the reburial .
The cremation error was discovered in May 2008 and the remains buried in an unused grave .
Arlington National Cemetery officials may not have followed proper procedures in notifying the servicemember 's next of kin about the reburial .
The cremation error was discovered in May 2008 and the remains buried in an unused grave .