Article Photos: Police seek to 'find a killer' of 2 Iowa cousins 7/11

Kelly Borel, of Waterloo, Iowa, puts an ornament on a tree during a vigil for missing cousins Lyric Cook, 10, and Elizabeth Collins, 8, who vanished while riding bikes in Evansdale in July, Thursday, Dec. 6, 2012, in Evansdale, Iowa. Authorities announced Thursday they are confident bodies found in an isolated wildlife area are those of the two girls. (AP Photo/Charlie Neibergall)