NBC Affiliates | ShopTalk KWWL Subpoenaed for Interview Footage in Iowa Missing Girls Case By Merrill Knox on Jul. 26, 2012 - 11:56 AM After being served with a subpoena, Waterloo NBC-affiliate KWWL has agreed to turn over footage of its interview with the mother of one of two missing Iowa cousins to authorities. The cousins, Lyric Cook, 10, and Elizabeth Collins ...