What is with all the shootings - Another in New Jersey

The shooting happened at Pathmark supermarket but the store was said to be closed [Al Jazeera]

At least three people, including a gunman, have been killed in a shooting in New Jersey, US, police and law enforcement officials say. 

Today's ncident happened inside Pathmark supermarket in Old Bridge, a suburb 30km from New York, officials said. Several employees were inside the store, which was preparing to open at 6am. Two windows near the entrance to the Pathmark have been shot out, officials said. The store was closed at the time. New Jersey Transit closed its nearby park-and-ride lot. The incident comes only weeks after 12 people were shot dead at a cinema in Colarado.