wrongdoer [wrongdoers](someone who does wrong) noun [UK: ˈrɒŋ.duːə(r)] [US: ˈrɒŋ.ˈduːər]
malviventenoun {m}
gangster [gangsters](street gang member) noun [UK: ˈɡæŋ.stə(r)] [US: ˈɡæŋ.stər]Gangsters robbed a bank of thousands of dollars. = Dei malviventi hanno rapinato una banca per migliaia di dollari.