Kent Police was called to a business premises at Discovery Park shortly before 3.30am on Monday 17 June 2024.
An investigation into the incident is ongoing and eight people have since been arrested on suspicion of aggravated burglary and bailed pending further enquiries.
Officers have now released a CCTV image of a person they would like to identify, filmed at a service station nearby.
Police are unsure whether the man is local to Kent or from elsewhere in the country.
Anyone who recognises the man, or has any information which may assist, are urged to call Kent Police on 01843 222289 quoting reference 46/100266/24.
You can also contact Crimestoppers anonymously on 0800 555111, or by using the online form.