he is the father of david metzler, one of the teens, and sergeant donald childs, the father of heidi u for being with us. to you, dr. metzler, please tell me about your son. >> david was just a laid back, just tender-hearted loving kid that liked to have fun. he deeply loved his friends and his family, and most of all he was deeply committed to christ and wanted to share that with his friends and lead them to a saving knowledge of jesus christ. >> sergeant childs, what can you tell me about your daughter? >> she was a wonderful girl. loved life. full of life. she walked the walk and talked the talk. she had just a wonderful attitude about life in general, was always smiling. she loved her family. she loved david. she loved school. but most of all, she loved the lord and she was a living example of that. >> you know, gentlemen, i couldn't understand. i thought i understood felony crimes, being a crime victim, until i had my children. and even now at just age 2, you pump so much love, so much nurturing, so many high hopes and dreams into them, for it to end in this manner, i want you to