tried to say help. then when it was done, he told me to go in my room and don't tell anyone. damning testimony from a child. in rebuttal the defense called their own star witness, steven mcdowell. >> when he was on the stand, did he do himself any good? >> hmm-mm. >> what do they think? >> they met a crying, manipulative, crybaby. >> he told a new and strange story about how he killed crystal. it was an accident. in the midst of an argument she got hysterical and he put her in a bear hug. i wanted to quit fighting. it was back and forth and it was going nowhere and i was frustrated and mad. his lawyer asked what happened next. he responds, she became limp and