内容简介
InPerugia,aserial-killerisstranglingcollegestudents.InspectorMartinoisinchargeoftheinvestigationandhasablackandredscarfastheonlyleadtobefollowed.HeasksthescarfstreetvendorGianniTomassoifherecallswhomighthaveboughtthescarf,butthemantellsthathecannotremember.ThenGianniblackmailsthekillerandbecomeshisnextvictim.Meanw...
