The incident originally occurred in Islandia on Wednesday, Dec. 20, according to Suffolk County Police.
On that day at approximately 8 p.m., an unknown man assaulted a woman in the woods behind the Walmart located at 1850 Veterans Memorial Highway.
Pictures of the reported suspect show him wearing a black shirt and a gray hooded sweatshirt.
Detectives with the Suffolk County Crime Stoppers are offering a cash reward to anyone who can provide information that leads to an arrest.
Any person with information can submit an anonymous tip by calling 1-800-220-TIPS, online at www.P3Tips.com, or through the P3 Tips app.
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