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Evidence: Multiplex STR Analysis

Yoknapatawpha County Forensic Laboratory

DATE ANALYSIS PERFORMED:
 7/29/2004

 Madeline Holland, Ph.D.
 555 Jackson Avenue
 Oxford, MS 38655
 662-234-XXXX (FAX 662-234-XXXX)

 Analysis: Multiplex STR

REPORT OF TRACE EVIDENCE ANALYSIS

Case Description:
 Kristal B. Waterson Homicide

Investigative Agency:
 Yoknapatawpha County Sheriff's Department

Case #:
 001294-23E-2004

Investigating Officer(s):
 Det. T. Armstrong, Det. S. Murphy


Items obtained from the search of the residence and vehicle of Weldon Foyle were examined using an alternate light source for the presence of human biological evidence. The items analyzed included:

  • Item 001294-50 One (1) leather "gym" bag, black
    • Results: Found to contain possible biological material in the interior of the bag. The stain was negative for the presence of blood. Microscopic evaluation yielded the presence of epidermal cells. The quality and quantity of DNA present was sufficient, and the sample was submitted for STR analysis.
  • Item 001294-51 One (1) men's cotton t-shirt, blue with dark-colored stains, size XL
    • Results: No biological material discovered.

The following items were then analyzed and compared to known samples.

  • Item 001294-H008: Pubic hair with intact follicle, recovered from Hunter Nelson's vehicle

  • Item 001294-50: black leather bag, recovered from Weldon Foyle's residence

Samples were analyzed using the AmpFlSTR® SGM Plus™ kit.

Item #

Profile

Electropherogram

Known Blood Sample of Kristal Waterson

AMEL:Female

D19: 10, 13

D3: 13, 14

THO1: 5,6

D8: 9, 9

VWA: 15, 16

D21: 30.2, 31.2

FGA: 18, 18

D16: 10, 11

D18: 12, 13

D2: 20, 25

Known Blood Sample of Weldon Foyle

AMEL: Male

D19: 14, 15

D3: 13, 15

THO1: 6, 8

D8: 12, 13

VWA: 11, 13

D21: 26. 26

FGA: 18, 20

D16: 12, 14

D18: 12, 15

D2: 22, 22

001294-H008

AMEL: Male

D19: 14, 15

D3: 13, 15

THO1: 6, 8

D8: 12, 13

VWA: 11, 13

D21: 26. 26

FGA: 18, 20

D16: 12, 14

D18: 12, 15

D2: 22, 22

001294-50

AMEL:Female

D19: 10, 13

D3: 13, 14

THO1: 5,6

D8: 9, 9

VWA: 15, 16

D21: 30.2, 31.2

FGA: 18, 18

D16: 10, 11

D18: 12, 13

D2: 20, 25

Results

  • Item 001294-H008 matches the STR profile of Weldon Foyle.
  • Item 001294-50 matches the STR profile of Kristal Waterson.

 

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