[Strategerist]

Oh, this Chimera stuff is possible but incredibly, incredibly, incredibly rare.

And if a perp was a Chimera, the two DNA samples would still be closely related; he'd be his own "brother", it wouldn't be COMPLETELY different DNA.

I'd put the chance that any of these prison releases due to DNA evidence being Chimeras being released as about zero.

[Question_Assumptions]

Again, I'm not saying that this particular person is a chimera nor that any have been released. I'm simply saying that it's something that might warrant being checked before letting people go. The truth is that we don't know how rare it is because it only shows up in a few oddball ways. I'd hate to see a rapist or murderer chimera litterally get away with murder because people believe that if the DNA doesn't match, there is 0% chance of guilt. It's not 0%, even if it's less than 1%.