Three cars on Woodfield Drive in Harrogate have been damaged by vandals.
An Audi A4, a Ford Focus and a Volkswagen Passat were targeted overnight between 28 May and 29 May 2013.
The vehicles had their wing mirrors smashed, resulting in costly repair bills for the owners.
Officers are appealing to anyone who witnessed the damage to contact them with information.
Alternatively, information can be emailed to firstname.lastname@example.org
If you wish to remain anonymous, Crimestoppers can be contacted on 0800 555 111.
Please quote reference number 12130086079 when passing information about these incidents.