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Blood droplets travel in all directions in crime scenes New analysis examines the physics of blood from close-range gunshot wounds. Credit: gsagi / Getty Images Studying a crime scene isn’t easy, especially because blood droplets don’t just fly away from the wound, according to new research. The pattern of blood droplets can reveal a lot of information about a crime scene. Blood pattern analysis (BPA), a field of forensic science, relies on physical and mathematical analyses to understand how blood and other fluids behave in different scenarios. This evidence can be used to reconstruct cr...

 E-Mail IMAGE: Scenarios for the trajectories of droplets at three different inclination angles, where the cases predicted with accounting for the interactions with the vortex ring are shown in red, and those... view more  Credit: Gen Li, Nathaniel Sliefert, James B. Michael, and Alexander L. Yarin WASHINGTON, April 20, 2021 -- In 2009, music producer Phil Spector was convicted for the 2003 murder of actress Lana Clarkson, who was shot in the face from a very short distance. He was dressed in white clothes, but no bloodstains were found on his clothing -- even though significant bac...

 E-Mail IMAGE: Induced droplet bag breakup at ~40 milliseconds after bullet impact due to muzzle gas influence. Time instants are shown in a-d, depicting the global backspatter with a magnified view of... view more  Credit: Gen Li, Nathaniel Sliefert, James B. Michael, and Alexander L. Yarin WASHINGTON, April 20, 2021 -- Forensic science includes the analysis of blood backspatter involved in gunshot wounds, but scientific questions about the detailed role of fluids in these situations remained unresolved. To search for answers about how blood droplets from a gunshot wound can revers...