says they plan to start operating again. but the way things work, they can do that without running their plan past anyone or saying what went wrong in the first place. reporter: what happened to these babies, behind the walls of kentucky children s hospital? jackson moore was the first to die. then caitlin allen. then mason hall. then connor wilson. than ray shaun. it 53 days i got to hold him. then he was gone. he was born and looked as healthy as any of my other children. then three weeks later, i was burying him. reporter: five babies, all dead after having heart surgery. surgeries that babies usually survive. did you ever get answers about your son s death? no. and we re sill searching. we asked and asked and asked.
children. then three weeks later, i was burying him. reporter: five babies, all dead after having heart surgery. surgeries that babies usually survive. did you ever get answers about your son s death? no. and we re sill searching. we asked and asked and asked. it s awful to lose a baby anytime. does it make it even harder when you re never told why? something happened. can t nobody give me no answers. the babies all died within 11 months. shortly after the fifth baby died in 2012, the hospital decided to stop heart surgeries, and they put their only pediatric heart surgery on leave. but now, only a little more than a year later, kentucky children s says it plans to