The Allegheny County Police Department is a law enforcement agency in Allegheny County, Pennsylvania. The department provides law enforcement services on County property, including the Pittsburgh International Airport, the Allegheny County Airport, and various parks. Between 2017 and 2021, the ACPD was contracted by the borough of Wilmerding. It also provides assistance to all municipal law enforcement agencies in the County, and generally investigates all serious crimes, such as homicide, except in the City of Pittsburgh.

Pittsburgh International Airport, formerly Greater Pittsburgh International Airport, is a civil-military international airport in Findlay Township and Moon Township, Pennsylvania, United States. About 10 miles (15 km) west of downtown Pittsburgh, it is the primary international airport serving the Greater Pittsburgh Region as well as adjacent areas in West Virginia and Ohio. The airport is owned and operated by the Allegheny County Airport Authority and offers passenger flights to destinations throughout North America and Europe. PIT has four runways and covers 10,000 acres (40 km2).