The remains of more than 1,000 victims of the Sept. 11 attacks in New York have never been identified. Recently, bone fragments were discovered near ground zero, offering new hope to some families. It also adds uncertainty on how best to honor the remains of the dead.
Martha Moore, national reporter, USA Today
Diane Horning, co-founder of WTC Families for a Proper Burial
Edward Linenthal, professor of history at Indiana University; member of the federal commission for the Flight 93 Memorial in Shanksville, Penn.