Updating the original story. New details have emerged.
According to the medical examiner the severe abuse started immediately upon birth.
Zirinsky now faces charges of first-degree murder, which carries a penalty of life in prison without the possibility of parole; first-degree child abuse resulting in death and first-degree child abuse resulting in serious physical injury. Each of the child abuse charges are punishable by as many as 25 years in prison.
via Autopsy raises charge in infant death case – The Frederick News-Post Online.