A Kiss Is Just A Kiss . . . Until It’s Evidence

08 Feb

red lips isolated in white



Touch DNA is the new rage in DNA testing. It’s DNA obtained from fingerprints and from objects that have been touched. This contact deposits oils, debris, and skin cells on the surface touched. Cells that contain DNA. These cells can be collected, amplified through PCR (Polymerase Chain Reaction), and profiled by STR (Short Tandem Repeat) Analysis.

But what of a kiss? Same thing. Lips pressed to a cheek will also deposit skin cells.

Ask “Pierre G,” the as yet unnamed Parisienne jewel thief who gave his victim a peck on the cheek, apparently to “allay her trauma.” Very kind of him. Unfortunately for him, the police swabbed the woman’s cheek and found usable DNA from the thief. Some acts of “kindness” go unrewarded, I guess.


4 responses to “A Kiss Is Just A Kiss . . . Until It’s Evidence

  1. hotyve

    February 8, 2014 at 4:25 pm

    How cool!


  2. Cheryl B. Dale

    February 8, 2014 at 5:08 pm

    Good to know the Kissing Bandit may get caught!


  3. Jocelyn Pedersen

    February 8, 2014 at 8:28 pm

    Always something fascinating to learn from this blog! Sweet!


  4. Sue Coletta

    February 24, 2014 at 7:34 am

    Great. Now every time someone kisses me hello I’m going to think of their skin cells all over me. It’s bad enough that I study their movements and facial expressions and find myself lost in my head thinking of murder, now this? Seriously though, another great post. Thank you.



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