The offence took place at around 5pm on Sunday, 3 December outside a residential property in Pinner View. An unknown man performed a sex act in front of a woman before he left the scene on a bike.
The victim was extremely distressed following the incident. She is being supported by specialist officers.
Police are now releasing an e-fit image of a man they wish to identify and speak to in connection with the offence.
DC Oneda Mehmeti, from the Met’s North West Command, said: “Offences like this are extremely serious and can have a significant and lasting impact on victims.
“A number of enquiries have been carried out including forensics and speaking with witnesses. We are now hoping that the public can help us identify this man whom we would like to speak to.
“I am grateful that the victim in this case came forward. Reporting crimes of this type is vital for us to identify and apprehend offenders.”
Anyone with information concerning the identity of the man pictured should call 101 or Tweet @MetCC quoting reference CAD 4664/03DEC23.
To remain 100% anonymous call the independent charity Crimestoppers on 080 555 111 or visit crimestoppers-uk.org.
