The Force has now received a total of 15 reports, which are believed to be linked.
Detective Inspector Guy Biggar said: “Sadly we’ve seen a continuation in this series of crimes, and I would urge the public to be extra vigilant on securing both houses and vehicles.
“If you have seen any suspicious behaviour or have been a victim of an offence and not yet reported it, please get in touch with us.
“Equally, if you have any CCTV, dashcam or doorbell footage which may assist our enquiries, please report it to us to so we can investigate full.
“In the meantime, we would ask residents to ensure that their homes are secure by keeping their doors locked at night and when they leave their property.”
Anyone who can assist police with their investigation is asked to report information online or telephone 101, quoting crime number 50230293912.