I saw that CeCe Moore just made a really excellent point about the Nancy Guthrie case, and it completely puts one small detail in a different light, no pun intended.
In the doorbell footage outside her Tucson home, the person seen approaching appears to be holding a flashlight in their mouth while moving around the entryway. At first glance, it just looks like a practical way to keep both hands free in the dark. But that single detail might matter more than anything else collected so far.
Right now, the DNA from inside the home is described as a complex mixture, which has made things harder to sort out, and without the flashlight, attention turns to where a cleaner sample might exist.
If it was held in someone’s mouth, that contact could have transferred onto their hands once it was removed, and then onto something else inside the home like a light switch or door handle close by.
When you add in facts like DNA collection can be surprisingly nuanced and often comes down to the experience of the team on scene, especially when it comes to what gets swabbed and what doesn’t. In this case, the lead investigator had never handled a case like this before, so it’s possible there are surfaces inside the home that were never tested and could still hold a clean sample.
So instead of focusing only on what was obvious, the answer could come from something much more ordinary that didn’t stand out at the time. Let's hope Pima County is listening.
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