Police are hoping this cellphone photograph will lead to the arrest of a man accused of public lewdness on a subway train in Manhattan last month.

The incident took place around 8 p.m. on March 18th. The victim, a 34-year-old woman, was on a Manhattan bound R train at the Union Square station when, the NYPD says she saw "an unidentified male manipulated his private parts."

The woman disembarked at Union Square, while the man allegedly stayed on the train.

The alleged jerk-off is described as being about 60-70 years old, 5'4" and 145 pounds. He was last seen wearing glasses, a blue baseball cap, a black jacket over a blue collared shirt, black pants and black shoes and was carrying a black tote bag.

Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782). The public can also submit their tips by logging onto the Crime Stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting their tips to 274637 (CRIMES) then enter TIP577.

If you see or experience sexual misconduct in the subway (this includes seeing a masturbator, being groped, being grinded on, etc.), you can report it to the MTA and police on this website. There's also a place for you to upload photos and/or video. Don't let the perverts win.