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

Lester Mendoza, a physician assistant at UPMC Memorial Hospital in York, said he helped tell the shooter a loved one had passed days before the shooting.

Lester Mendoza, a physician assistant at UPMC Memorial Hospital in York, shared on social media that he spoke to Archangel-Ortiz earlier in the week, informing him that a loved one had died.

YORK, Pennsylvania (WGAL) — Lester Mendoza, a physician assistant at UPMC Memorial Hospital in York, said he helped tell the shooter a loved one had passed days before the shooting. Mendoza took ...

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.” ...

Lester Mendoza, a physician assistant at UPMC Memorial Hospital in York said he helped tell the shooter a loved one had passed days before the shooting.

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.

Physician assistant Lestor Mendoza claims the gunman had just learned his loved one had died at UPMC Memorial Hospital in York, Pa. Facebook / Lester Mendoza ...

Lester Mendoza, who specializes in pulmonary critical care, according to a UPMC website, posted on Facebook over the weekend that he had interacted with the Archangel-Ortiz for multiple days and ...