Pictured: Innocent baby cops say was killed by PhD student who also ‘injured his twin’ while sitting for close pal on wedding anniversary

The innocent baby cop who was allegedly murdered by his PhD babysitter has been photographed for the first time with the twin brother she is also accused of injuring.

Nicole Virzi is accused of killing six-and-a-half-week-old Leon Katz in his Pittsburgh home on his father’s first Father’s Day and his parents’ first wedding anniversary.

Virzi, 29, was a “trusted friend” of the babies’ parents, Ethan Katz and Savannah Roberts.

Police say she allegedly killed the child while they were at the hospital with his twin brother Ari, who they say was also attacked by Virzi.

A GoFundMe set up for the devastated couple says Leon ‘tragically died under horrific circumstances’ and a ‘trusted family friend’ has been arrested.

Virzi is charged with murder, child endangerment and aggravated assault, but denies any wrongdoing.

Leon’s alleged killer Nicole Virzi, 29, was a trusted friend of the child’s parents, Ethan Katz and Savannah Roberts

Ethan and Savannah are pictured with Leon and his twin brother Ari, who Virzi is also accused of attacking

Nicole Virzi is accused of killing six-and-a-half-week-old Leon Katz in his Pittsburgh home

‘Leon will always be remembered as a happy, smiley, goofy baby boy. His untimely and tragic death has had a deep impact on the Pittsburgh community,” the GoFundMe said.

In photos taken just days before the tragedy, twins Leon and Ari are seen side by side in matching rompers.

Virzi has denied all allegations and her lawyer maintains her innocence.

“Our client denies these allegations. She is a loving person and a friend to these people and would never harm anyone’s child, let alone theirs,” her attorney David Shrager told Pittsburgh. WTAE.

The accused killer continued to babysit little Leon while his parents were with his twin brother Ari at UPMC Children’s Hospital of Pittsburgh after Virzi said she noticed an injury in his groin area, police said.

This photo of the twin brothers was taken shortly before Leon’s gruesome murder and attack on Ari

The baby’s murder occurred as their father celebrated Father’s Day, which also fell on the boys’ parents’ first wedding anniversary

She told police she went to the kitchen to get Katz a bottle when she suddenly heard screaming.

When she returned, she said the baby had fallen out of his rocker. She then called 911.

“The injuries suffered by both (twins) are consistent with those of child abuse, because these are injuries that are not natural and not accidental,” a doctor told investigators, according to court documents.

Virzi is being held in the Allegheny County Jail without bail. She will be arraigned for a preliminary hearing on June 28.

Her LinkedIn profile indicates she is a fifth-year clinical psychology candidate for the SDSU/UC San Diego Joint Doctoral Program.

Virzi, 29, seen in her booking photo, was babysitting the child while his parents were at UPMC Children’s Hospital of Pittsburgh with his twin brother after Virzi said she noticed an injury to his groin

Virzi told police she went to get Katz a bottle when she heard screaming and saw he had fallen from a bouncer

‘She’s going to be thirty years old. She has been promoted. student. She has been friends with the family for a long time in this situation,” Shrager said.

‘As I said, there does not appear to be any criminal history in her background and we are keen to get our day in court.

“At this time she is charged with a general charge of murder, which is largely non-bailable.

‘We will of course do due diligence on that front and see if we can make some changes.’