nurse peggy agent was on duty when shortly after midnight, 18-year-old sabrina butler showed up cradling her 9-month-old baby. >> sabrina came running in, screaming, my baby's not breathing. my baby's not breathing. the nurses all ran out into the waiting room, and we took the baby to the back and started working on it. and when the pediatrician got there, he was going to intubate the baby, and he could not get the head stretched back. we began to think, hey, he's been dead for some time. >> after attempting resuscitation for 30 minutes, walter butler jr. was declared dead. nurse peggy began claeaning the infant's body. >> there was a mark across its chest, and it had a look like a zipper or something had made an impression on it. i was changing the baby's diaper, and as i turned it over, i saw that the rectum did not look right. so when i asked the doctor what that was, he said that's pro-lapsed rectum. that's where part of the large intestine has started to come out of the baby. >> because of walter's suspicious symptoms, columbus police were called to investigate. detective keith wors