planned a traditional funeral service for their 14-year-old daughter, genna, until her friend sarah hollander told them about a conversation the two once had about funerals. >> we got on the topic of funerals. she did not want her funeral to be a sad thing. she doesn't like it when people are sad. she loves to make people happy. she loves to make people laugh. is so she definitely did not want her funeral to portray something that she wasn't about. >> so the mousers allowed sarah to help plan the funeral service, one that was closer to genna's wishes. doug mouser took his stepdaughter's death particularly hard. he had raised genna since she was 2 years old and treated her like his own. >> she truly did have a great relationship with him and loved him. and he loved her. he was very active in her life. >> in the search for genna's killer, investigators looked inside the mousers' home but found no clues. >> everything was basically in its place. nothing knocked over or anything to indicate that genna was fighting and screaming as she went out the door. >> this raised the possibility that genna l