some call it art case studies involving the spraying of illegal graffiti in the uk dr louissa marsh n.
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Some Call it Art: Case studies involving the spraying of illegal graffiti in the UK Dr. Louissa Marsh PowerPoint Presentation
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www.pixelmap.com. Some Call it Art: Case studies involving the spraying of illegal graffiti in the UK Dr. Louissa Marsh. Slide 1. Slide 2. 2. 3. 1. Spray can Rucksack Sprayed can top Spray can nozzle Latex glove Can of paint Marker pen. 4. 5. 7. 6. Slide 3.

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Some Call it Art: Case studies involving the spraying of illegal graffiti in the UK Dr. Louissa Marsh


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    1. www.pixelmap.com Some Call it Art:Case studies involving the spraying of illegal graffiti in the UKDr. Louissa Marsh

    2. Slide 1

    3. Slide 2 2. 3. 1. • Spray can • Rucksack • Sprayed can top • Spray can nozzle • Latex glove • Can of paint • Marker pen 4. 5. 7. 6.

    4. Slide 3 Suspect’s clothing examined for paint balls x40 stereo microscope

    5. Slide 4 x100 stereo microscope

    6. Slide 5 • 2006 & 2007: • 20 submitted graffiti cases • 67 submitted spray cans MTN Pintura 22 Belton Molotow 17 Others 21 Plasti-kote 4 Molotow Coversall 3

    7. Slide 6 Green spray paint x200 dark field microscopy Orange spray paint X200 bright field microscopy (cross polars)

    8. Slide 7 Purple spray paints mounted side by side x200 magnification reflected light (cross polars)

    9. Slide 8 The same spray paints x200 magnification light through blue filter

    10. Slide 9 x200 magnification light through Ultra-violet filter

    11. Slide 10 Submitted can sizes (%) Spray Cans Fullness on submission (%) Nozzle present ?

    12. Order of Frequency 1st 2nd 3rd 4th BlueBlackSilver 14.2% 26.8% 14.9% GreenSilver Black 13.6%19.6%13.4% RedRedRed 12.4%13.4%10.4% Black,silver & PinkBlueGreen 9.5% 11.3%9.0% Slide 11 % Frequency of colours found on items in the form of paint balls % Frequency of submitted control colours % Frequency of submitted can colours

    13. Questions? Many thanks for listening Louissa.marsh@LGCforensics.com www.LGCforensics.com