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June 19th, 2009

DNA doesn’t go away

DNA evidence has changed the way murders are prosecuted, with forensic experts up on the stand testifying that about the odds of the blood on the victim not being the defendant’s. It’s usually in the millions to one, which also has defense lawyers changing their tactics.

Case in point, Thomas H. Mitchell Jr., on trial in Farmington, Maine, for the murder of a young mother, Judith Flagg, in her home in 1983. It’s a classic cold case, DNA evidence  coming up a hit with Mitchell, already doing time for an unrelated kidnapping and gross sexual assault.

So he’s a serious dirtbag, which doesn’t make him any less entitled to a vigorous defense. DNA has made defense lawyers’ jobs a lot harder, and in this case, Mitchell seems to be a lost cause. His father owned  the house before Mrs. Flagg and her family; matching DNA in  semen at the scene; had an altercation with the victim’s husband (over a lamp) . Cops say he waited until the husband went to work, then talked his way into the house, where he assaulted the young mom and stabbed her  to death. Her toddler was found on top of the body.

Defense lawyers I’ve known have told me they take some murder cases, not because they have a ghost of a chance of winning, but because it gets their name on the front page for a week or so. They do their best for the defendant, who, guilty as son,  is convicted anyway and sent away for 25 to life, and the lawyers see a bump in their business.

In Mitchell’s case, the argument is that the evidence was mishandled, the case is too old, the DNA could have belonged to Mitchell Sr., who lived in the house at one time and could have left his DNA around. From what I’ve read, they’d have to be identical twins to have the same DNA, but whatever.

If the DNA match is  a few hundred thousand to one, I’d say Mitchell has about the same chance of beating this one. But let them play this one out to the last act, when this guy will almost certainly be shackled and led back to prison. He’ll take off his suit and tie.

Maybe for the last time. Maybe not. When it comes to DNA, what goes around, comes around.

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