Officers have released the CCTV image of a man they would like to trace following an incident of racially aggravated criminal damage in Rickmansworth.
The incident took place at 11.30am on Sunday, December 22 at the Sparks Supermarket, Church Lane.
The man was in the area at the time of the incident and could assist with enquiries.
Alternatively call their non-emergency number 101 quoting reference 41/114906/19.
You can also call Crimestoppers anonymously on 0800 555 111 or report information online at crimestoppers-uk.org.
You can tell police what matters most to you about policing, crime or anti-social behaviour in Hertfordshire using echo.
Go to bit.ly/herts-echo and have your say.