@Dcliff , contact info for Anna’s case is in these links Cubby posted earlier. IIRC there are at least 3 listed contacts here. One of these 3 ought to be able to get you to the best person to take your info.Contact information is available both via
NamUs and NCMEC
Anna's NamUs page:
The National Missing and Unidentified Persons System (NamUs)
NCMEC
Have you seen this child? Anna Waters