He also worked for ABC affiliate in Detroit , Mich. , WXYZ - TV .
In the 1970s , Graham was a correspondent for NBC News ( one of NBC 's first African - American correspondents ) , where he covered the Watergate scandal among other events .
Graham also worked for ABC affiliate in Detroit , Mich. , WXYZ - TV .
In the 1970s , Graham was a correspondent for NBC News ( one of NBC 's first African - American correspondents ) , where he covered the Watergate scandal among other events .