Analysis of lab report in Zimmerman's case - part 2
by, 05-31-12 at 10:31 PM (9499 Views)
Now, letís take a look at the DNA and blood analyses.
Zimmermanís weapon, handgun:
1. Grip, handgun: Positive chemical indication for blood.
2. Swab from grip: showed mixed DNA profile belonging to at least 2 individuals. One matched to Zimmerman. Trayvon Martin is excluded as a possible contributor to the mixed DNA.
3. Swab from slide and holster: negative indication for blood.
4. Limited DNA results from slide insufficient for inclusion purpose but consistent with presence of at least one male individual. No determination can be made regarding possibility of Zimmerman or Trayvon contribution.
5. Holster: Mixed DNA profile obtained from holster swab. Demonstrated presence of at least 3 individuals. One matches Zimmerman. No determination can be made regarding the possibility of Trayvon contribution.
6. Swab from trigger: result not interpretable.
1. Fingernail scrapings from Trayvon:
Right hand: positive for presence of blood. No DNA results foreign to Trayvon Benjamin Martin found.
Left hand: STR DNA analysis performed. No DNA results were obtained.
2. Stain analysis from Trayvonís shirt.
Five stains identified as A, B, C, D, E and general rubbings from cuff/lower sleeve regions on both arms.
Blood found on stains A, B, D and E.
No chemical indication for the presence of blood on stain C and general rubbings from cuff/lower sleeve regions of both arms.
3. DNA profile of stains:
Stain A: matches Zimmermanís DNA and the possibility of an additional contributor to this DNA profile.
Stain B: matches Trayvonís DNA.
Stain D: mixed DNA profiles of at least two individuals found. Major and minor contributors cannot be determined. Zimmerman and Trayvon are included as possible contributors.
Stain E: matches Trayvonís DNA.
Right cuff/lower sleeve: no DNA results foreign to Trayvon Martin were obtained.
Left cuff/lower sleeve: demonstrated the presence of at least two individuals. ďAssuming Trayvon Martin is a contributor to the mixture, foreign DNA results were obtained.
Due to the limited nature of this results, this data is insufficient for inclusion purpose.Ē No determination can be made regarding the possible contribution of Zimmerman.
4. Stain analysis from Trayvonís hoodie jacket:
Three stains and general rubbings from cuff/lower sleeve regions on both arms.
Stains A & C: positive chemical indication for the presence of blood.
Stain A: The DNA profile matches Trayvonís. No DNA results were obtained from stain C.
Stain B and general rubbings from cuff/lower sleeve regions: no indication of blood. No DNA results foreign to Trayvon were obtained from the right or left cuff/lower sleeves.
Here are Zimmermanís lab findings:
1. Shirt stain analysis. 16 stains analyzed, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O and P.
Fourteen stains gave chemical indication for the presence of blood: A, B, C, D, E, F, I, J, K, L, M, N, O and P. The DNA profiles for all sixteen stains matches the DNA profile from George Zimmerman.
Two stains failed to give indication for the presence of blood: G and H.
2. Jacket stain analysis. 31 stains analyzed: A, B, C, D, E, F, G, H, I, J, K, L, M, N , O, P, Q, R, S, T, U, V, W, X, Y, Z, AA. BB, CC, DD and EE.
17 stains gave chemical indication for blood.
14 stains failed to indicate presence of blood.
9 stains (A, B, C, J, K, L, M, O and P) matches DNA profiles from Zimmerman.
Stain E: showed mixed DNA profile from at least two individuals. Zimmermanís DNA profile matched but Trayvon cannot be determined.
Stain G: is not interpretable.
Stain I: showed mixed DNA profiles. Zimmermanís DNA profiled matched but Trayvonís was excluded.
Stain N: showed mixed DNA profiles. Both Zimmerman and Trayvon matched.
Stain U: showed mixed DNA profiles. DNA profiles for major and minor contributors cannot be determined. Trayvon is included as possible. No determination can be made of Zimmermanís contribution.
Stain V: showed mixed DNA profiles. Due to limited DNA results -- insufficient for inclusion purposes. No determination can be made regarding Zimmerman or Trayvon.
Stain Z: showed possible non-human DNA.
Stain BB: showed mixed. DNA profiles for major and minor contribution cannot be determined. Zimmerman is included as possibility. No determination for Trayvon.
Hereís my take on the above lab report:
On Zimmermanís weapon: doesnít seem like Trayvon had his hand on Zimmermanís weapon.
On Martinís body and clothing: His fingernail scrapings from both hands showed no sign of foreign DNA let alone Zimmermanís. It surely casts big doubt on Zimmermanís claim that Trayvon grabbed his head and slammed it repeatedly into the concrete. Furthermore, neither Zimmermanís bloods nor DNA were found on the cuffs or lower sleeves of Trayvonís clothing.
I canít see how Trayvon did all that punching and head slamming without getting any trace of foreign DNA on his fingernails, hands, cuffs and lower sleeves from Zimmerman who was said to bleed from his nose and his head.
So, to the pro-zimmerman supporters, listen up, your persistent and insistent claim that the physical evidence supported Zimmermanís claim is out the window because itís very, very unlikely with this lab report.
Now, on the stain analyses. On Trayvonís shirt there is only one confirmed stain, Stain A, that can be conclusively attributed to Zimmerman. I donít know the stainís location and how it got there because there was no Zimmerman blood or DNA found on TrayvonĎs hoodie jacket.
If the blood stain is on the back, it could support an eyewitness account of Zimmerman standing over Trayvon after the shooting. The hoodie might have pulled up during the struggle and exposed the inner shirt where Zimmermanís blood dripped down from the back of his head or nose.
Now on Zimmermanís clothing stains, most of them were from his blood. On those that showed mixed DNA profiles, most were Zimmermanís. Trayvon were either conclusively excluded or not determinable. Only on e stain, stain N, show conclusively a match for both Zimmerman and Trayvon. This could be a blood splatter from Trayvon when he was shot.
But, overall the almost lack of Zimmermanís blood on Trayvon and Trayvonís blood on Zimmerman casts doubt on Zimmermanís story that Trayvon was on top slamming his head into the concrete when he fired at Trayvon in close range.The lab report could support the possibility that Trayvon and
Zimmerman were standing apart when the shot was fired.
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