frozen in time. april 4th, 1968. it s a day she s only talked about with the closest of family members until now. were you having a conversation with anyone? no. i was not. i was not. i was just standing there. like in shock. reporter: witness number 43. mary ellen norwood. this memphis police report lists her as female, colored, 21, and employed at the lorraine as a waitress and cook. what was it like working here? i loved it. i did. i really loved it. reporter: walter and lori bailey owned the hotel in the segregated south. it was a safe place to stay for prominent black musicians like bb king and aretha franklin. who s your favorite? isaac hayes is my favorite because he was always here and i got to see him every time. reporter: but the most famous guest of all, dr. king. drawn to memphis by striking