Ortiz, 49, was shot and killed by police after holding staff hostage at UPMC Memorial Hospital. Here's what we know about him ...

Pennsylvania State Police continue to investigate the shooting with hostages at UPMC Memorial Hospital, a spokesman said.

The stories of two nurses who survived a gunman's attack on an intensive care unit in a York, Pennsylvania, hospital are ...

Investigators are continuing to piece together the sequence of events at UPMC Memorial Hospital that led to the deaths of a West York Borough police officer and the 49-year-old who held ICU staff ...

Diogenes Archangel-Ortiz was killed by police as he held a zip-tied UPMC staff member at gunpoint Saturday morning.

The media relations team with the hospital did not answer direct questions about safety and security, but some employees have spoken out about what they have noticed.

Diogenes Archangel-Ortiz on Saturday killed a police officer during a hostage situation at UPMC Memorial Hospital in York ...