Law enforcement officials have called for all residential and commercial trash in the city of Evansdale to be set aside in the Black Hawk County landfill to be searched through by those involved in the ongoing investigation for missing Elizabeth Collins, 8, and her cousin Lyric Cook-Morrissey, 10, Wednesday, July 18, 2012, in Waterloo, Iowa. (AP Photo/Waterloo Courier, Matthew Putney)
