aaron kramp shook his infant daughter to death and we have much more on the investigation. barry simms is live at police headquarters in ellicott city. >> the brother tells us he's a loving father who would not hurt his child. she has been there for five years and he has admitted to police what happened. a deep sadness over the loss of a six-week-old girl. >> i am deeply disturbed. i am very upset. because i babysat a friends baby and it is horrible. i have two kids of my home. -- of my own. i did not know that they had them. >> he is accused of shaking his daughter. after the grand jury hears the evidence, it could also change the issues. he came back, his son was standing over him and he was told the boy may have pushed the baby off the bed. she was lying on the floor with blood coming from her nose. we also spoke to people there we believe the father is the main suspect. she wasnally admitted crying and would not stopped and he may have squeezed her too hard. you should occur in hopes that she would stop crying. he shook the baby for an extended time until she did stop c