This is the honest answer that the evidence supports.

The 1950s Discovery: A Grave Identified, Then Disputed

In the mid-twentieth century, a particular location gained attention as a possible burial site for Crazy Horse.

The location — in a specific area of Nebraska or South Dakota, depending on which version of the account one follows — was identified by people who said they had received the information through family oral tradition.

The identification was accompanied by the kind of specific details that give an account credibility: particular geographic features, particular landscape elements that matched descriptions in the oral record.