This police should help the tourists.
Following is their own description, copied from their homepage:
Tourist Police Division is agency affiliated with Central Investigation Bureau and Royal Thai Police working under supervision of Ministry of Tourism and Sport. Responsible in crime prevention and suppression, investigating and arresting concerning about the tourist and international crimes in case that may cause impact on tourism industry, help facilitating and providing safety of life and belonging for the tourists and working together with or giving support to other related agencies or those being assigned to.
There are 2 more tourist stations in Phuket