on that very day, said laura hiller, nancy was making a plan for saturday night, the day she disappeared. she wanted my husband and i to come over and play sequence with her and brad. was that a game you d played with them before? yes, nancy introduced us to that game. reporter: when nancy s friend jessica testified they had plans to paint her house at 8:00 saturday morning, she had to have been mistaken said the defense because nancy knew brad had a tennis game at 9:00 a.m. with mike hiller. i specifically sought out nancy to make sure it was okay with her. did he indicate she had any other plans? there was talk she was going to jog. and she would be back by then. reporter: and there were people who claim they saw a woman they believe was nancy running. and it was proof, the defense said, that she was alive that morning. she was about 5 9 , in good shape. reporter: this witness reported her sighting to the police after she saw nancy s missing poster.
allowance, there was a reason the defense argued. remember, the couple had serious debt. and the defense offered contrasting scenes of the cooper marriage from another set of friends. people who had known the couple of years did not jump this to bandwagon to paint this as an abusive relationship. reporter: remember that i hate brad day? the day the prosecution said the marriage hit its boiling point? on that very day, said laura hiller, nancy was making a plan for saturday night, the day she disappeared. she wanted my husband and i to come over and play sequence with her and brad. was that a game you d played with them before? yes, nancy introduced us to that game. reporter: when nancy s friend jessica testified they had plans to paint her house at 8:00 saturday morning, she had to have been distaken said the defense because nancy knew brad had a tennis game at 9:00 a.m. with mike hiller. i specifically sought out nancy to make sure it was okay with her.
and there was my niece. and my heart fell. reporter: family members say her body was found near the yard of one of the friends she was supposed to have gone skating with. they feel her friends betrayed her. it s the way she left her and the way her body was found, in the backyard, with trash along trash all around her body, like someone was trying to hide the body. we still have a couple of questions regarding this incident. and most importantly is the gun. how did this gun get in the home? whose gun was it? why wasn t it secured? and how does it end up in the hands of a 12- and 13-year-old child? reporter: that 12- and 13- year-old child are now being booked at juvenile detention, where they face charges of involuntary manslaughter. detectives work through the night on this case, trying to piece this altogether. culminated today with the lengthy interviews of those two 12-year-olds 13-year-old boys. back to you. derek, thank you. we ll have more on this story com
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