MORE PRESSURE Murdered girl's dad thinks cops know killer but need proof as doc sparks hope
COUSINS Elizabeth Collins, 8, and Lyric Cook-Morrissey, 10, vanished while riding their bicycles around the small town of Evansdale, Iowa, on July 13, 2012. Their bikes and a pink purse belonging to Elizabeth were found discarded near a recreational lake within hours of their disappearance, but there was no sign of either of the young girls.