Cousins Lyric Cook, 10, (right) and Elizabeth Collins, 8, have been missing since July 13. An Iowa TV station said Thursday it will turn over footage of an interview with the mother of one of the youths to investigators seeking clues. (Associated Press)

Cousins Lyric Cook, 10, (right) and Elizabeth Collins, 8, have been missing since July 13. An Iowa TV station said Thursday it will turn over footage of an interview with the mother of one of the youths to investigators seeking clues. (Associated Press)