Potential organized crime links are among the areas authorities are investigating in the case of a missing Hightstown woman whose 11-month-old son turned up alone in a hospital parking lot in Delaware.

“It’s one of the many aspects of this case that we’re investigating,” said Mercer County Assistant Prosecutor Angelo Onofri, who would not elaborate further.

Amy Giordano, 27, of Hightstown, was last seen on June 7 at an East Windsor ShopRite supermarket where surveillance video shows her with her married boyfriend, 32-year-old Rosario Digirolamo, and their son 11-month-old Michael Digirolamo.

Just two days later, the baby boy was found abandoned outside a Newark, Del., hospital.

On June 14, the same day authorities identified the baby, Rosario Digirolamo flew from Newark Liberty International Airport to Milan, Italy, according prosecutors.

Authorities Wednesday still were not classifying Giordano’s disappearance as a criminal investigation, just a search for a missing person, Onofri said.

However, prosecutors are calling Rosario Digirolamo a “person of interest” and on Wednesday authorities searched the Monmouth County home he shares with his wife and their 1-year-old son. Several items were removed, including Digirolamo’s home computer.

Digirolamo’s Millstone Township house used to belong to Stefano “Steve the Truck Driver” Vitabile, the reputed consigliere of New Jersey’s DeCavalcantes, believed to be one of the state’s major crime families, according to property records obtained by The Times.

The DeCavalcantes’ criminal enterprises have been considered an inspiration for the hit HBO mob drama “The Sopranos.”

Digirolamo’s wife, who reportedly never knew about her husband’s second family in Hightstown, has been cooperating with investigators, prosecutors said.

As of Thursday, the prosecutor’s office hadn’t contacted Italian law enforcement, Onofri said.

Giordano’s child has been placed in foster care by the Delaware Division of Family Services.

“He’s going to remain in foster care until we locate or get more information on the parents,” said Kelly Bachman, a spokeswoman for the division.

Even if the parents are found, the boy will remain in foster care, pending a court hearing on the parents’ fitness to care for him, Bachman said.