The incident happened on a Queens-bound M train, near Grand Avenue, around 10:30 a.m. September 14.
The suspect, described as a Hispanic male approximagely 5-foot-7, allegedly exposed himself to a female while sitting on the train.
He was last seen wearing a red shirt, dark pants and black shoes.
Anyone with information in regards to this incident is asked to call Crime stoppers at 1-800-577-TIPS.
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