Former prisoner (2-3)
I believe the answer is:
ex-con
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">former prisoner</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ex-con that I've seen before include "Former prisoner, in short" , "She used to serve porridge" , "Old lag" , "Person once inside, now outside" , "having defected from Tory party?" .)