Police are looking for a man who allegedly groped a 19-year-old woman on the downtown 4/5/6 subway platform at Union Square one morning last week. The woman followed the suspect onto a 6 train and took this photograph.

The incident occurred on October 23, around 9:30 a.m. According to DNAinfo, "The suspect allegedly grabbed the 19-year-old victim by the shoulder, lifted her dress, and grabbed her buttocks and genitals."

The cops say the suspect is Hispanic, and around 5'10, 200lbs. They urge people with information to contact NYPDCrimeStoppers.com.