The CSI's Killing of a Domestic Violence Victim

The defense told the jury how detectives never brought Liz's ex-husband in for questioning, or that neighbor with a history of petty burglaries. The CSI's had photographed a bloody swipe on the handle of the closet safe, just a short distance from Jamie's body. But didn't that kind of evidence you want to have a male mopie considered? Why wouldn't you at least test it?