That's a pretty nifty idea, I just had the thought my clone may have already escaped once (a potential reason for his scar). Perhaps he could have been captured again, unless the Jinteki would kill him. Otherwise I could just have had him obtain the scar being treated badly by guards or what not?
As for Spades, I ended up just changing his age to 32. I was thinking he held a major grudge against one of the corporations, perhaps he could have been a low-level guard for it before quitting/running away? I'm just pulling out potential ideas.