Amid that controversy and questions over Williams' claims that made regarding his experiences while reporting from New Orleans on the aftermath of Hurricane Katrina in August 2005, including that he contracted dysentery from accidentally ingesting flood water, the news division decided to launch an internal investigation into the matter that would be conducted through its investigative unit.
Di tengah kontroversi dan pertanyaan atas Williams' klaim yang dibuat mengenai pengalamannya saat melaporkan dari New Orleans pada setelah Badai Katrina pada bulan Agustus 2005, termasuk bahwa ia dikontrak disentri sengaja menelan air banjir, divisi berita memutuskan untuk memulai penyelidikan internal ke hal yang akan dilakukan melalui unit investigasi nya.