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

UPMC Memorial Hospital has reopened to visitors after a man took staff in the ICU hostage and an officer was killed on Saturday. A UPMC spokesperson says visitation remains limited to two people per patient and the hospital is no longer on EMS divert.

A physician’s assistant at UPMC Memorial Hospital claims he delivered devastating news to Diogenes Archangel-Ortiz in the days before the man returned to the ICU and opened fire, killing a

Days after a fatal shooting in its ICU, UPMC’s West Manchester Township hospital continues to limit visitor numbers but is more widely opening its emergency room. A gunman entered the UPMC Memorial hospital in York County on Saturday morning,

More than two years after a quadruple homicide devastated Moscow, Idaho, a judge unsealed the transcript of a recent hearing in the case against Bryan Kohberger – the man accused of stabbing four students to death in an off-campus home.

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.