Reckless criminal (9)
I believe the answer is:
desperado
'reckless criminal' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for desperado that I've seen before include "reckless one" , "Reckless outlaw" , "Road speed (anag.)" , "Wild ruffian" , "Reckless guy" .)