The police are hoping the public can help them identify a suspect accused of committing a criminal sex act on an early morning F train this week.

According to the NYPD, the incident occurred this Thursday at 2:15 a.m.: "A 27-year-old female, was riding the southbound 'F' train when she fell asleep and was awakened to the individual rubbing his genitals on her. The victim pushed the male away who then exited the train at the Neptune Avenue subway station to parts unknown."

The police released a sketch of the suspect (right), describing him as about 20 years old, 5'11" and 160 pounds with brown eyes and brown hair, last seen wearing a dark hoodie, dark blue jeans and a green jacket.

Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS 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 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.