tip411. back to you. jon: harris, thaopbgs. jenna: moving to a different case now the defense in the casey anthony murder trial presenting another round of forensic evidence today hoping to chip away at the prosecution s case. each expert witness for the defense has seemingly had their testimony neutralized by some effective cross-examination. it s raising some questions about the defense team yet again. we ve heard no evidence to back up casey s story that little caylee drowned or that casey was sexually abused. brad conway is a former defense attorney and a former attorney for the anthony family. he s joined us a few times taking a look at the defense team. those are two claims, very important claims central to the defense s case here, that casey was sexually abused and that caylee drowned, and that the father and grandfather, george, your former client, was involved in some way, yet none of the