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

Lester Mendoza, who specializes in pulmonary critical care, was present when the perpetrator was informed about his loved one ...

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.

A physician’s assistant at UPMC Memorial Hospital claims he delivered devastating news to Diogenes Archangel-Ortiz in the ...

The gunman who opened fire inside Pennsylvania’s UPMC Memorial Hospital faced the death of a loved one who’d been in the ICU ...

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

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 ...

By WGAL News Staff Click here for updates on this story YORK, Pennsylvania (WGAL) -- Lester Mendoza, a physician assistant at UPMC ...

Diogenes Archangel-Ortiz was removed from the hospital by security the previous night following a diagnosis that there was no ...

Lester Mendoza took to Facebook to share his story of interacting with the shooter, Diogenes Archangel-Ortiz, days before he ...