Conversation so far:
Did the McDaniel Oscar go missing?
The whereabouts of McDaniel's Oscar are currently unknown
When did the McDaniel Oscar missing?
In 1992, Jet magazine reported that Howard University could not find the McDaniel Oscar and alleged that it had disappeared during protests in the 1960s.
Are there any other interesting aspects about the missing McDaniel Oscar besides the report of it?
In 1998, Howard University stated that it could find no written record of the Oscar having arrived at Howard
When did McDaniel win the Oscar which wound up going missing?
Hattie McDaniel earned that gold Oscar by her fine performance of 'Mammy' in Gone with the Wind.
Has anyone searched for Hattie McDaniel's missing McDaniel Oscar?
In November 2011, W. B. Carter, of the George Washington University Law School, published the results of her year-and-a-half-long investigation into the Oscar's fate.
What were the results of W.B. Carter's investigation into the fate of McDaniel's missing Oscar?
W. B. Carter argued that the Oscar was likely returned to Howard University's Channing Pollack Theater Collection between the spring of 1971 and the summer of 1973.

Question: If it was returned, why can't it be found?
Self-contained rewrite: If McDaniel's Oscar was returned according to W. B. Carter, why can't it be found?