why did she act if nothing was wrong? >> casey's lead attorney jose biaz paint ago picture of a dysfunctional family covering up sins other than the death of caylee anthony. brother lee allegedly attempting to abuse her. >> casey had a brother and he, too, wanted to follow in his father's foot steps. i at he attempted to also touchs sister although it didn't go as far t. got so bad the fbi did a paternity tis to see if he was caylee's father. >> the tapes seemed also to under cut her defense that this family was one plagued by sex accu abuse and incest. >> hey. >> good morning beautiful. how are you? >> good. how are you. >> i am doing better now i get a chance to see you.