A PhD student charged with killing her friend’s newborn baby and injuring his infant twin brother could face the death penalty if she’s convicted of the horrific crime, according to Pennsylvania prosecutors.

The Allegheny District Attorney’s Office revealed in court Friday it plans to seek capital punishment against Nicole Virzi, who allegedly smashed the skull of 6-week-old Leon Katz while she was baby-sitting the tot inside the family’s Pittsburgh-area home in June.