View Post NBC Affiliates | ShopTalk WREX Hires Ken DeCoster as MMJ By Kevin Eck on May. 28, 2014 - 9:50 AM Ken DeCoster will join WREX as a multimedia journalist. Before being hired at the Rockford, IL, NBC affiliate, DeCoster was a news talk radio host in the Rockford area. The Rockford Star Register reports DeCoster has 30 years of r ...