light-fingered
From Longman Dictionary of Contemporary Englishlight-fingeredˌlight-ˈfingered adjective informal STEALlikely to steal thingsExamples from the Corpuslight-fingered• Jack was convinced that the uninvited visitor was a light-fingered local looking for free coal.• With light-fingered nimbleness he checked all the contents, drawers and secret hiding places in the dressing-case, finding everything intact.