why was betty jean, why was she suddenly the subject of a murder trial? >> well, it's pretty obvious, the evidence didn't change in either case, but the first case, we really have to consider really the responding officers, the detective, what experience they had at looking at similar cases where you'd have an injury of blunt force trauma as a murder, versus an accidental death and when the detective or, i don't know what the system is there or the police officer determines that this is an accident, or this is questionable and we have to classify it as a homicide. that's what they missed. they ruled it as an accident too rapidly instead of making it a homicide and took the time to actually investigate the injuries and where they came into contact with the stairway that would transfer skin, skin cells, blood, saliva, fabric and if that didn't actually connect up or match then you've got problems that need to be answered. >> greta: i guess if i were the investigating homicide-- or investigating detective in the case, not necessarily a homicide detective, bu