PhD Student Charged with Murder of Friend's Newborn in Pittsburgh

Nicole Virzi, a clinical psychology candidate, is accused of killing Leon Katz and injuring his twin brother while babysitting.

Leon Katz, six weeks old, died from blunt force trauma while in the care of family friend Nicole Virzi.
Virzi, a PhD student from San Diego, also faces charges of child endangerment and aggravated assault.
Parents Ethan Katz and Savannah Roberts were attending to Leon's twin, Ari, at the hospital during the incident.
A GoFundMe campaign has raised over $50,000 to support the grieving family with funeral and medical expenses.
Virzi, who denies the charges, is being held without bail and plans to plead not guilty.