and this is dateline. i can t believe that their baby is lying there lifeless. she was everything to me. she was so sweet everybody. state troopers said bonnie had died in a hiking accident. the said she fell off a cliff. her mother said, they were wrong. i was screaming to them, these are defensive wounds. no witnesses, no weapon. nothing left behind by a stranger s dna. we no longer have some accidental death. this was a homicide. they had no suspect. but for years, her mother kept fighting to find bonnie s killer. bonnie s mother continues her own crusade. then after more than a decade of searching, a phone call. i just got information, there was a match. can we get a conviction on just the dna? and there was something else. something about bonnie herself. it was almost like she knew something hello, and welcome to dateline. we often see headlines about dna evidence exonerating the innocent. it seems we hear less about how dna from an unknow
and you can t believe that your baby is lying there, cold and lifeless. the next day, karen saw her baby again. saw more than her face. i noticed something that seemed to confirm what she already believed. it wasn t a hiking accident. she called the alaska state troopers. her knuckles were broken, so, i m on the phone screaming to them saying, no you ve got to get back you, have to take more pictures. these are defensive wounds. look again at bonnie s body she said. look harder. what happened to bonnie craig that september day screamed karen, was murder. coming up i think my mom felt very responsible. like, i caused this? i caused this, yeah. they killed bonnie because of something i did. was her child s death revenge? when dateline continues.