The former patient stabbed five people at the Turtle Creek Valley Mental Health facility in Munhall, Pa., according to an article on the Pittsburgh Press-Gazette website.
The assailant was armed with a knife and an air pistol, the article said.
County police also found two knives among his belongings and two more near where he fell after being shot.
The complaint said the attacker also poured an accelerant on the floor of an elevator in the building.
Making the Energy Efficiency Case to the C-Suite
Rethinking Fire Safety Inspections
Northwell Health Partners with APM Steam to Reduce Energy Consumption
Cleanliness Is a Measurable Outcome
Workplace Safety and the Role of Access Control