The gunman who held intensive care unit staff hostage at UPMC Memorial Hospital in Pennsylvania before killing a police officer and injuring five other people Saturday believed that more could have been done to save his wife,

Officer Duarte had just celebrated his 30th birthday on Feb. 17, less than a week before Saturday’s shooting, according to the York County Coroner’s Office. He had been a West York police officer since June 2022 after serving five years with the Denver Police Department in Colorado.

A man who took hostages at UPMC hospital during a shooting that killed a police officer and wounded five others highlights the rising violence against U.S. healthcare workers.