It happened just after 4 o'clock Tuesday afternoon.
Police have released a sketch of a clean-shaven man, in his late 20's to early 30's.
He has brown curly hair and a thin build, wears glasses and was wearing a blue T-shirt and blue jeans.
His car is described as a silver or greenish Subaru Legacy four door station wagon or something similar.
It had the old-style white New York empire plates.
Suffolk County Crime Stoppers offers a cash reward of up to $5,000 for information that leads to an arrest. Anyone with information is asked to call anonymously to Crime Stoppers at 1-800-220-TIPS. All calls will be kept confidential.