Thames Valley Police is appealing for witnesses to a sexual assault in Bicester.
Officers would like to establish who the person is in this CCTV image as he may have vital information to help with the investigation.
At around 7.50pm at Corals Bookmakers in Wesley Lane on 7 January, a man inappropriately touched the victim, an 18-year-old woman, over her clothing.
Investigating officer, PC Tina Maulson of the Bicester Smarter Resolution Team, said: “We would really like to speak to the man pictured in this CCTV image.
“We believe he has vital information about this incident.
“Please get in contact if you know anything about this incident or you think you know who this man is.”
Anyone with any details which could assist the investigation should contact the 24-hour Thames Valley Police enquiry centre on 101 quoting the reference 43190007622, or you can make a report online.
If you would prefer to remain anonymous, please contact Crimestoppers on 0800 555 111.