February 7 – 2024 East Lansdowne shooting: A man commits a familicide in Pennsylvania in which he kills his family of five before shooting at police injuring two officers before committing suicide. The shooter was identified as 43-year-old Canh Le. [1]
March 16 – Three people are fatally shot in Levittown with the gunman fleeing to Trenton, New Jersey by commandeering a car to his house. A standoff involving several hostages ends with the gunman's arrest.[2]
May 10 –
A Pennsylvania jury orders ExxonMobil to pay $725.5 million to a former mechanic who claimed that the company's gasoline and solvents caused him to develop leukemia.[3]