The police are hoping the public can help them identify a person accused of groping a subway rider's breasts on Sunday.

According to the NYPD, at 5 a.m. on November 29th, a 22-year-old woman fell asleep on a northbound D train. When she woke up at the Bedford Park Boulevard Station, she "discovered an unknown male suspect touching her breasts."

Polices say she managed to shove the assailant off and flee the train, escaping on a southbound D train.

Investigators released surveillance footage and an artist's sketch of the suspect.

Bronx Forcible Touching Incident On D Trainby Gothamist

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

If you see or experience gross subway behavior, you can do something about it (but stay safe!). The MTA's website has a place for riders to report subway misconduct and even a place for riders to submit images.