dead. and leaves. reporter: marty, i ve gotta say, i think that s very strange. take your grandson and, by the way, your daughter s dead. he was emotionless, let s put it that way. people who saw him that day claimed that he was without emotion. curtis also knew cpr. and yet, he never tried to revive his wife. on the day, why didn t you do cpr? i don t know. i don t know why i didn t do cpr. i don t know why i i didn t call 911. in looking back i saw my wife, cory dead. and i didn t know how to react. reporter: prosecutor parkinson next went after the first police investigation. pushing hard against detective baird who handled the case. he questioned if baird gave curtis who was then an assistant state s attorney, preferential treatment.
understand what s going on with with lyndsay, christine, because she has told the story that she, like her brothers, remembers seeing her mom alive, but then she backs away from it and says, i think i can t remember really. i don t know what s in lyndsay s head and in her heart. one day she was happy and then everything changed. reporter: the prosecution still had to explain why the two oldest boys were adamant their mom was alive that morning. parkinson told jurors there was a two-day gap between cory s death and the first police interviews with the kids. ample time he suggested, for the boys to be influenced by their dad. i think the children were confused as to which day. after all reporter: how about coached? do you think that he told him a story? he had custody of the children from the moment of her discovery until thursday afternoon. so from tuesday till thursday afternoon, i don t know what was said. reporter: dr. jane turner, the pathologist detective gibs
oh, and by the way, cory s dead. and leaves. reporter: marty, i ve gotta say, i think that s very strange. take your grandson and, by the way, your daughter s dead. he was emotionless, let s put it that way. people who saw him that day claimed that he was without emotion. curtis also knew cpr. and yet, he never tried to revive his wife. reporter: on the day, why didn t you do cpr? i don t know. i don t know why i didn t do cpr. i don t know why i i didn t call 911. in looking back i saw my wife, cory dead. and i didn t know how to react. reporter: prosecutor parkinson next went after the first police investigation. pushing hard against detective baird who handled the case. he questioned if baird gave curtis who was then an assistant state s attorney, preferential treatment. he was a prosecutor. they were the police.
because she has told the story that she, like her brothers, remembers seeing her mom alive, but then she backs away from it and says, i think i can t remember really. i don t know what s in lyndsay s head and in her heart. one day she was happy and then everything changed. reporter: the prosecution still had to explain why the two oldest boys were adamant their mom was alive that morning. parkinson told jurors there was a two-day gap between cory s death and the first police interviews with the kids. ample time he suggested, for the boys to be influenced by their dad. i think the children were confused as to which day. after all reporter: how about coached? do you think that he told him a story? he had custody of the children from the moment of her discovery until thursday afternoon. so from tuesday till thursday afternoon, i don t know what was said. reporter: dr. jane turner, the pathologist detective gibson hired to review the case, took the stand and said scienc