Julio Acevedo, the driver of a car in an accident that killed Satmar Chassidim Nachman Glauber and his pregnant wife Raizy in Brooklyn was charged with manslaughter.
Brooklyn prosecutors announced a second-degree manslaughter charge against Acevedo, 44, on Tuesday. If convicted, he faces life imprisonment.
Acevedo earlier had been indicted on charges of leaving the scene of a fatal accident.
Prosecutors say Acevedo was speeding through the streets of Williamsburg, Brooklyn, at nearly 70 miles per hour when the BMW he was driving plowed into a livery cab that was taking the Glaubers, both 21, to the hospital early on March 3.
Raizy Glauber first child briefly survived an emergency C-section before dying. The Glaubers were killed instantly.
Acevedo fled the scene of the accident and was apprehended several days later in Pennsylvania.
According to reports, Acevedo was imprisoned for a decade for first-degree manslaughter, robbery and drug possession. In February he was arrested for drunken driving, but a judge did not suspend his license.