British Transport Police have released details of two acts of indecency involving a man on a train in South Devon.
They say the incidents happened at 8.30 on the evening of Friday 26th July and twenty five past five on the afternoon of Wednesday 7th August.
A man sat near a woman and began to touch himself inappropriately while staring at the victim on a train between Paignton and Torre.
If you can identify him from this photo, please contact BTP by sending a text to 61016 or by calling 0800 40 50 40 quoting reference 1900064677. Or you can call Crimestoppers anonymously on 0800 555 111.