She joined WCAU, then the Philadelphia CBS TV affiliate, in September 1991, and served as an anchor and a reporter. After a few years anchoring the noon broadcast with Tim Lake, Chenault-Fattah was promoted to the 6 p.m. and 11 p.m. news in March 1995. By then, WCAU had become the NBC affiliate in Philadelphia. In 2003, Lake joined Chenault as co-anchor at 4 p.m., 6 p.m., and 11 p.m., after she had spent 8 years co-anchoring newscasts at 6 and 11, first with Ken Matz and then with Larry Mendte.