CCTV images of two men Swindon Police would like to speak to about vehicle thefts have been released.
The incidents have been happening in North Swindon, and the latest was at about 3.30am on Friday, July 24.
According to officers, the men were seen acting suspiciously around a vehicle in Ensor Close, Abbey Meads, before being disturbed.
One man is described as white, aged between 25 and 35, of slim build, short and with dark hair and a beard. He wore a surgical face mask, a baseball cap, a dark coat and a light-coloured jacket with a circular logo on the sleeve.
The other is described as white, aged between 20 and 30, of average build, short, clean shaven and with light brown hair. He wore a surgical face mask, a dark hooded top with the hood up and denim jeans, and carried a dark-coloured backpack.
Anybody who recognises one or both of the men is asked to call 101 and quote crime reference number 54200073256.
Alternatively, they can call Crimestoppers anonymously on 0800 555 111.