NBC 5 Responds January 24, 2022 4:52 pm FBI Searches Headquarters of COVID Testing Company in Illinois The FBI has searched the headquarters of a suburban Chicago-based COVID-19 testing company at the center of a state investigation. NBC 5 Responds’ Lisa Parker reports. Local 1:35 Suburban grandmother receives surprise from Santa 2:24 CHICAGO FORECAST: Not As Cold Sunday 2:07 Large fire engulfs Brighton Park warehouse 2:26 Saturday night forecast 1:49 Small businesses in Wheaton keep up with shorter shopping season