Transcript for Lone Survivor of Texas Family Massacre Speaks at Memorial Service
The heroic sole survivor in the massacre in Texas. The courageous teen who played dead is speaking out for the first time since the tragedy. Mara sh Mara schiavocampo is here. Reporter: That teen, spoke at a memorial service for her family on Saturday. Hundreds of friends gathered. We love you, Cassidy! We love you. Reporter: At her family's memorial service just hours after being released from the hospital, 15-year-old Cassidy stay, accompanied by the very grandparents she's credited with saving, flashed a brave smile. Her healing just beginning. I'm really thankful for the people that have been praying for me and keeping me and my family in their thoughts. Reporter: Less than a week ago, she survived the unthinkable. Her entire family killed. I know that my mom, dad, Brian, Emily, becca, and Zach, are in a much better place. And that I'll see them again one day. Reporter: 33-year-old Ron Haskell faces capital murder charges. He allegedly shot Cassidy's parents and four siblings because they wouldn't say where his ex-wife was. I have not seen a situation so horrific. Reporter: Friday, Haskell collapsed in court several times. Haskell was allegedly headed for her maternal grandparents' home. We continue to be in awe at how she was able to save us. Reporter: On Saturday, hundreds of balloons released skywards. I really like harry potter. Happiness can be found in the darkest of times if one only remembers to turn on the light. Reporter: Cassidy stay illuminating the crowd. Stay strong. Reporter: Holding up the the sign language symbol for love. A go fund me page has been set up. So far, more than 4,000 people have donated more than there are 2 -- $200,000. Let's go Ryan smith in for Ron Claiborne.
This transcript has been automatically generated and may not be 100% accurate.