photographed a bloody swipe on the handle of the closet safe, just a short distance from jaime's body. the defense told the jury how detectives never ran it for a possible print, nor had it swabbed for dna. >> isn't that the kind of evidence you'd wanna have available to consider? why wouldn't you at least test it? >> reporter: the defense ticked off more examples of what they regarded as inept detective work, they never brought lizz's ex-husband in for questioning. or that neighbor with a history of petty burglaries, the one fresh out of jail. >> the police go to his house, knock. he doesn't answer and they leave their card. >> "call us if you get the time"? >> right. and, and, they never followed up on it. >> reporter: and, the defense thought they knew just how the investigation got so bungled. look at the man who led it. >> what kind of murder investigation would you have where you knowingly, intentionally, and willfully don't bring the lead investigator to court? >> reporter: the defense, not the prosecution, called the one-time lead detective. they