Prominent New York Cancer Doctor Kills Months-Old Baby Before Fatally Turning Gun on Herself, Police Say

A cancer doctor in New York allegedly fatally shot her 4-month-old daughter before turning the gun on herself in what authorities are investigating as a murder-suicide, police said.

Around 7 a.m. on Aug. 5, Mount Sinai oncologist Dr. Krystal Cascetta reportedly entered her newborn baby’s room, where she shot the girl and then herself, according to the New York State Police.

Trooper Steven Nevel told NBC News that the 911 call came from someone inside the residence. This person heard the first gunshot and rushed to the baby’s room, thinking something had fallen.

The caller, who was not identified, then heard a second gunshot before they arrived to the room. They broke down the locked door and found the dead mother and baby inside, Nevel said.

He added, “We know, 100 percent, without a doubt, that it was a murder-suicide.”

According to The Journal, Cascetta’s husband was away at the time of the incident, but her parents were inside the home.

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A neighbor told the New York Post, the victim and her husband “had ambulances and police come to their house two, maybe three times this summer. At least twice.” The nature of those visits, however, is unclear.

A spokesperson for Mount Sinai Hospital told NBC News that the Mount Sinai community was "greatly saddened by the tragic loss of a Mount Sinai Health System doctor and her child."

"We extend our deepest sympathies to Dr. Cascetta’s family, friends, colleagues and patients," the spokesperson said.