Gangster known as Scarface (6)
I believe the answer is:
capone
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gangster known as scarface</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for capone that I've seen before include "Notorious criminal" , "Hood" , "Al - , notorious gangster" , "US gangster (St Valentine's Day massacre)" , "Chicago gangster, d. 1947" .)