Criminal gang, Italian (6)
I believe the answer is:
bandit
'criminal' is the definition.
(bandit is a kind of criminal)
'gang italian' is the wordplay.
'gang' becomes 'band' (I've seen this before).
'italian' becomes 'it'.
'band'+'it'='BANDIT'
(Other definitions for bandit that I've seen before include "Armed robber in the Wild West" , "Crook" , "Marauder" , "Enemy aircraft" , "Member of a gang of robbers" .)