( CNN ) -- A 9-year-old girl was laid to rest Wednesday as a 15-year-old girl , described as an acquaintance , was in court on charges she carried out the younger girl 's murder . Elizabeth Olten was coming home from a friend 's house last week in St. Martins , Missouri , when she disappeared . Distraught residents searched for days for Olten without luck , when the Cole County Sheriff 's Department received a tip that led them to the alleged killer . It did n't lead them to a stranger , a child predator or a convicted sex offender -- avenues police had originally considered because of Olten 's age . Instead , it led them to a 15-year-old girl who , according to Peggy Florence , a family spokeswoman , had played with Olten . The girl then led police to the body -- which was found in an area authorities searched before , the sheriff 's department said , but was hidden so well they had n't seen it . Authorities said both physical evidence and some written evidence led to the suspect 's arrest . She has been charged with first-degree murder . On Wednesday , Olten 's family looked towards closure as two drastically different scenes unfolded in Missouri . Olten 's family and friends watched as two white horses pulled her casket in a glass hearse . Hours earlier , a judge had ordered the 15-year-old suspect to be held while he decides whether she should be tried in adult court . Authorities have not released the suspect 's name . Authorities released few details about the case , though they said an autopsy was conducted Saturday . The Olten family spent the day of Elizabeth 's funeral remembering a very special little girl and mourning their loss , choosing to celebrate her life , instead of attending the court hearing of the teen accused of killing her . After the funeral ceremony , they released pink balloons , in honor of Elizabeth Olten 's favorite color . For them , it was about their little girl -- the one who was always ready with a bright smile . `` She wanted to be a mother , she wanted to love others and take care of others , '' family spokeswoman Florence told HLN 's Nancy Grace . `` She was just a lovely child -- she never met an animal she did n't love and dress up and play with . '' She loved to dress up and put on fancy dresses , Florence said , even in the snow and the mud . `` She was a beautiful little girly girl , '' Florence said . `` She had everyone 's heart . ''
15-year - old , allegedly planning , carrying out murder of 9-year - old . Jessica Olten disappeared after returning home from her house in Missouri . 15 , 9 , and suspect had been together before , police spokeswoman says . Judge will be deciding whether to charge suspect as an adult or juvenile .