Possible Clues:

• Lord Archer's one on two counts
• Old lag with trousers on, as Spooner might have put it?
• For whom time's passed, having discarded blue rosette?
• Martha Stewart, for one
• Individual who was previously inside
• One out of the can?
• Parolee
• Parolee, perhaps
• I've now finished sentence with period -- put X against comma initially inserted
• One now liberated as political defector?