. >> reporter: he called kenzie mom. the family had reason to rejoice -- kenzie was pregnant with a baby boy. >> i always wanted a little brother. it was a boy so that was what i was going to get. >> reporter: february 20th, 2009, a cold, frigid morning, that happiness shattered. >> i remember getting up that morning, running a little late for work. she'd asked me to stay home that day, i didn't. that's something that's haunted me. >> what do you remember? >> it was just a normal morning. my sister janessa woke me up. >> reporter: 8 1/2 months pregnant, kenzie stayed in bed as they got ready for school. >> angie told us to go, because the bus is coming, we were going to be late. we hurried up, went out the backdoor, ran down the driveway, went to school. >> reporter: after they got on the bus at 8:15, it was just kenzie and addeline, asleep in her bed, inside the house. fin: 9:00 a.m., a crew of men arrived to cut trees on the property and spotted adaline at the door. she says her mom is dead. they call the police. >> th