On Saturday, when a gunman walked into UPMC Memorial Hospital in West Manchester Township armed with a semiautomatic gun, he walked right through to the ICU. The hospital did not have metal detectors anywhere,

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

I truly did not see a monster. He was simply broken,” a UPMC Memorial physician assistant said of Diogenes Archangel-Ortiz.

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

Cause of death released for UPMC Memorial Hospital shooter