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Blood spatter analysis size shape and directionality

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Unformatted text preview: and length of elliptical bloodstain allows for calculation of angle of impact of original blood drop Width is divided by length to produce a ratio number Ratio is sine of impact angle: angle can be determined using a scientific calculator or sine function in trigonometric table 19 Chapter 12 Measurement of length and width of bloodstains Blood Spatter Analysis The origin of a bloodspatter in a twodimensional configuration can be established by drawing straight lines through the long axis of several individual bloodstains. Blood Spatter Analysis Spattered Blood Mechanisms of blood spatter: Seco...
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