The incident happened in Walgreens, located at 1860 Veterans Memorial Highway in Islandia, at 3:40 p.m. on Tuesday, Aug. 30, Suffolk County Crime Stoppers reported on Tuesday, Oct. 18.
Authorities said a man approached a woman while she was shopping, and when the woman rejected his advances, he slapped her on the buttocks and left the store on foot.
Suffolk County Crime Stoppers is offering a cash reward for information that leads to an arrest.
Authorities asked anyone with information to call Suffolk County Crime Stoppers at 1-800-220-TIPS.
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