On a cold Venetian night shortly before Christmas, a street vendor is killed in a scuffle in Campo San Stefano. The closest witnesses are the tourists who had been browsing the man's wares before his death-fake handbags of every designer label. The dead man had been working as a vu cumpra, one of the many African immigrants purveying goods outside normal shop hours and without work permits. Commissario Brunetti's response is that of everybody involved:...