On Oct. 7, 2019 photo, Kristi Williams, left, and Chief Egunwale Amusan view a cemetery map during a search for possible mass burial graves from Tulsa's 1921 Race Massacre at Oaklawn Cemetery in Tulsa, Oklahoma.
© Mike Simons/Tulsa World via AP
On Oct. 7, 2019 photo, Kristi Williams, left, and Chief Egunwale Amusan view a cemetery map during a search for possible mass burial graves from Tulsa's 1921 Race Massacre at Oaklawn Cemetery in Tulsa, Oklahoma.