A man allegedly flashed himself at a woman in her 20s in Boston and police are appealing for information to help find him.
The woman was walking along Fishtoft Road when the man exposed himself at around 8pm on September 3. He then left the area on foot.
The man was wearing a black top and black cap and was described as around six foot tall with ginger hair.
Lincolnshire Police published an appeal for witnesses on September 9.
Anyone who can assist the investigation, or who has CCTV or dashcam footage of the area at around the time of the incident, should contact police on 101 or via email at [email protected] quoting incident 408 of September 3.