On June 30, 2017, at around 2:45 PM EDT, a doctor opened fire at the Bronx-Lebanon Hospital Center in the Bronx, New York City, United States, killing a doctor on the 17th floor and wounding six people on the 16th floor with an AR-15-type semi-automatic rifle. The shooter was later identified as 45-year-old Nigerian-born Dr. Henry Michael Bello, a family physician formerly employed by the hospital. Background Dr. David Lazala, a graduate of the family medical residency program and current faculty member, told the Associated Press that he was one of the physicians training Bello, who sent Lazala a threatening email after being fired. He took Friday off and was reportedly the target of the attack. Dr. Maureen Kwankam said she fired Bello after two years of employment. Kwankam further stated "We fired him because he was kind of crazy. He promised to come back and kill us then." Hours before the shooting, Bello sent an e-mail to the New York Daily News, making various accusations in regards to his firing, stating "First, I was told it was because I always kept to myself. Then it was because of an altercation with a nurse. Then I was told, it was because I threatened a colleague." Bello blamed a specific doctor for blocking his career progress and costing him $400,000. Incident Dr. Tracy Tam was shot and killed on the 17th floor of the hospital. Tam was randomly targeted, according to Dr. Sridhar Chilimuri, the hospital chief. Bello intended to kill the doctor who had cost him his job by accusing him of sexual harassment. Tam, who normally worked in the clinic, was asked to cover a shift of a physician who was out. That change proved fatal for her. Six others (three doctors, two medical students and a patient) were injured. The most seriously wounded was a doctor shot in the knee and brain, who underwent several hours of surgery on-site and was sent to Mt. Sinai Hospital for more. The other two doctors were shot in the neck and abdomen, one student was shot in the hand and the patient had an unspecified minor injury. The New York City Police Department said Bello committed suicide after barricading himself inside with a rifle and setting himself on fire. Victims Tracy Tam, DO, a family medicine physician and graduate of Touro College of Osteopathic Medicine, was killed. Justin Timperio, MD, a