Court records are providing more information on the criminal background of a man who shot multiple officers and staff members ...

The gunman who held intensive care unit staff hostage at UPMC Memorial Hospital in Pennsylvania before killing a police ...

Diogenes Archangel-Ortiz stormed the Pennsylvania hospital while being armed with zip ties and a revolve, killing one officer ...

An officer was killed and multiple people were injured in a shooting reported at UPMC Memorial Hospital in York County, ...

Ortiz, 49, killed a cop and injured five others when he stormed the UPMC Memorial Hospital in York, Penn. on Saturday morning ...

A man who took hostages in a Pennsylvania hospital during a shooting that killed a police officer and wounded five other ...

Cops encountered Archangel-Ortiz holding a female staffer at gunpoint with her hands bound, officials said. The officers ...

A gunman took hostages at UPMC Memorial Hospital in York, Pennsylvania, resulting in the death of Officer Andrew Duarte and ...

Authorities said the suspect held hospital workers hostage, opened fire and shot people including a doctor, a nurse, a ...

A 49-year-old gunman was shot and killed by police after they said he held multiple UPMC staff members hostage and shot ...

In a Facebook post Sunday, Lester Mendoza, a certified physician’s assistant specializing in pulmonary critical care, describes his interactions with the shooter over “multiple days.” ...

A man who took hostages in a Pennsylvania hospital during a fatal shooting highlights the rising violence against U.S.