. >> still ahead, what evidence was found in the trunk of kasey anthony's car. >> tonight, police suspectl play in the disappearance of a 20-year-old indiana university student. her purse and keys were found. police say she that -- left her cellphone and shoes in a bar. >> when somebody at 430 and has no shoes and had earlier been drinking, and just disappears off a street corner, we feel like they're certainly could be foul play involved. we feel like if she had just decided to go to a buddy's house we probably would have heard that by now. >> her parents also say she has a condition she needs medication for. >> evidence was found in kasey anthony's car, testimony earlier .oday more from orlando. >> from a stained carpet swatch to a tire cover and evidence in the trunk line appearer. >> residue of chloroform was detected. >> but today, defense attorneys effectively countered the argument. >> very small amounts. >> drive for reform taken from the trunk would have come from a variety -- dried chloroform taken from the trump could have come from a variety of sources, they testified. prosecu

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